i-Size Car Seats

Choosing a car seat can be overwhelming, so we're bringing you exclusively i-Size car seats to keep things simple.
Maxi-Cosi Quartz 360 i-Size Car Seat - Full Graphite-Car Seats-Full Graphite- | Natural Baby Shower

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    331 products
    Axkid Minikid CORE Car Seat - Arctic Mist Grey-Car Seats- | Natural Baby Shower
    Axkid Minikid CORE Car Seat - Coastal Storm Black-Car Seats-Coastal Storm Black- | Natural Baby Shower
    New in
    Parent tested
    Axkid Minikid CORE Car Seat - Arctic Mist Grey
    Birth to 7y | Rear-facing
    Avionaut Stardust 360 Car Seat - Black-Car Seats- | Natural Baby Shower
    Avionaut Stardust 360 Car Seat - Navy-Car Seats-Without Newborn Insert- | Natural Baby Shower
    New in
    Avionaut Stardust 360 Car Seat - Black
    Birth to 12y | Forward & rear-facing
    Avionaut Stardust 360 Car Seat - Pink-Car Seats- | Natural Baby Shower
    Avionaut Stardust 360 Car Seat - Navy-Car Seats-Without Newborn Insert- | Natural Baby Shower
    New in
    Avionaut Stardust 360 Car Seat - Pink
    Birth to 12y | Forward & rear-facing
    Avionaut Pixel 3.0 Infant Carrier Car Seat - Biege-Car Seats-Biege- | Natural Baby Shower
    Avionaut Pixel 3.0 Infant Carrier Car Seat - Biege-Car Seats-Biege- | Natural Baby Shower
    New in
    Avionaut Pixel 3 Infant Carrier Car Seat - Biege
    Birth to 15m | Rear-facing
    Avionaut Pixel 3.0 Infant Carrier Car Seat - Pink-Car Seats-Pink- | Natural Baby Shower
    Avionaut Pixel 3.0 Infant Carrier Car Seat - Pink-Car Seats-Pink- | Natural Baby Shower
    New in
    Avionaut Pixel 3 Infant Carrier Car Seat - Pink
    Birth to 15m | Rear-facing
    Avionaut Stardust 360 Car Seat - Mint-Car Seats- | Natural Baby Shower
    Avionaut Stardust 360 Car Seat - Navy-Car Seats-Without Newborn Insert- | Natural Baby Shower
    New in
    Avionaut Stardust 360 Car Seat - Mint
    Birth to 12y | Forward & rear-facing
    Avionaut Pixel 3.0 Infant Carrier Car Seat - Black-Car Seats-Black- | Natural Baby Shower
    Avionaut Pixel 3.0 Infant Carrier Car Seat - Black-Car Seats-Black- | Natural Baby Shower
    New in
    Avionaut Pixel 3 Infant Carrier Car Seat - Black
    Birth to 15m | Rear-facing
    Maxi-Cosi Pebble Slide Pro Car Seat - Onyx Black-Car Seats-Onyx Black- | Natural Baby Shower
    Maxi-Cosi Pebble Slide Pro Car Seat - Copper Terra-Car Seats-Copper Terra- | Natural Baby Shower
    New in
    Maxi-Cosi Pebble Slide Pro Car Seat - Onyx Black
    Birth to 15m | Rear-facing
    iCandy Cocoon 360 Infant Carrier & Base - Black-Car Seats-Black- | Natural Baby Shower
    iCandy Cocoon 360 Infant Carrier & Base - Black-Car Seats-Black- | Natural Baby Shower
    Preorder
    iCandy Cocoon 360 Infant Carrier & Base - Black
    Birth to 15m | Rear-facing
    Cybex Cloud G3 Plus Car Seat - Chocolate Brown-Car Seats-No Base- | Natural Baby Shower
    Cybex Cloud G3 Plus Car Seat - Chocolate Brown-Car Seats-No Base- | Natural Baby Shower
    New in
    Cybex Cloud G3 Plus Car Seat - Chocolate Brown
    Birth to 24m | Rear-facing
    Avionaut Pixel Pro 2.0C Infant Carrier Car Seat - Beige-Car Seats-Beige- | Natural Baby Shower
    Avionaut Pixel Pro 2.0C Infant Carrier Car Seat - Black-Car Seats-No Base- | Natural Baby Shower
    New in
    Avionaut Pixel Pro 2.0C Infant Carrier Car Seat - Beige
    Birth to 15m | Rear-facing
    CYBEX Cloud T i-Size Plus Car Seat - Coconut Brown-Car Seats-Without Base- | Natural Baby Shower
    CYBEX Cloud T i-Size Plus Car Seat - Coconut Brown-Car Seats-Without Base- | Natural Baby Shower
    Preorder
    CYBEX Cloud T i-Size Plus Car Seat - Coconut Brown
    Birth to 24m | Rear-facing
    Save 48%
    Avionaut Pixel Pro 2.0C Infant Carrier Car Seat - Pink-Car Seats-Pink- | Natural Baby Shower
    Avionaut Pixel Pro 2.0C Infant Carrier Car Seat - Black-Car Seats-No Base- | Natural Baby Shower
    New in
    Avionaut Pixel Pro 2.0C Infant Carrier Car Seat - Pink
    Birth to 15m | Rear-facing
    Maxi-Cosi Pebble Slide Pro Car Seat - Sapphire Sand-Car Seats-Sapphire Sand- | Natural Baby Shower
    Maxi-Cosi Pebble Slide Pro Car Seat - Copper Terra-Car Seats-Copper Terra- | Natural Baby Shower
    New in
    Maxi-Cosi Pebble Slide Pro Car Seat - Sapphire Sand
    Birth to 15m | Rear-facing
    Avionaut Stardust 360 Car Seat - Navy-Car Seats- | Natural Baby Shower
    Avionaut Stardust 360 Car Seat - Navy-Car Seats-Without Newborn Insert- | Natural Baby Shower
    New in
    Avionaut Stardust 360 Car Seat - Navy
    Birth to 12y | Forward & rear-facing
    Avionaut Stardust 360 Car Seat - Grey-Car Seats- | Natural Baby Shower
    Avionaut Stardust 360 Car Seat - Navy-Car Seats-Without Newborn Insert- | Natural Baby Shower
    New in
    Avionaut Stardust 360 Car Seat - Grey
    Birth to 12y | Forward & rear-facing
    Cybex Sirona G3 Plus Car Seat - Chocolate Brown-Car Seats-No Base- | Natural Baby Shower
    Cybex Sirona G3 Plus Car Seat - Chocolate Brown-Car Seats-No Base- | Natural Baby Shower
    Preorder
    Cybex Sirona G3 Plus Car Seat - Chocolate Brown
    3m to 4y | Forward & rear-facing
    Cybex Cloud G3 Plus Car Seat - Moss Green-Car Seats-No Base- | Natural Baby Shower
    Cybex Cloud G3 Plus Car Seat - Chocolate Brown-Car Seats-No Base- | Natural Baby Shower
    New in
    Cybex Cloud G3 Plus Car Seat - Moss Green
    Birth to 24m | Rear-facing
    Avionaut Maxspace Airflow Car Seat - Black-Car Seats-Black- | Natural Baby Shower
    Avionaut Maxspace Airflow Car Seat - Mint-Car Seats- | Natural Baby Shower
    New in
    Avionaut Maxspace Airflow Car Seat - Black
    3y to 12y | Forward-facing
    BeSafe Beyond 2 360 B Car Seat - Black Softbreeze-Car Seats- | Natural Baby Shower
    BeSafe Beyond 2 360 B Car Seat - Black Softbreeze-Car Seats- | Natural Baby Shower
    New in
    BeSafe Beyond 2 360 B Car Seat - Black Softbreeze
    Birth to 4y | Forward & rear-facing
    Avionaut Maxspace Smart Car Seat - Black-Car Seats-Black- | Natural Baby Shower
    Avionaut Maxspace Smart Car Seat - Black-Car Seats- | Natural Baby Shower
    New in
    Avionaut Maxspace Smart Car Seat - Black
    3y to 12y | Forward-facing
    Maxi-Cosi Pebble 360 Pro 2 Car Seat - Twillic Black-Car Seats-Twillic Black-No Base | Natural Baby Shower
    Maxi-Cosi Pebble 360 Pro 2 Car Seat - Twillic Black-Car Seats-Twillic Black-FamilyFix 360 Pro Base | Natural Baby Shower
    Summer Sale
    SlideTech™
    3D & AR  
    Maxi-Cosi Pebble 360 Pro 2 Car Seat - Twillic Black
    Birth to 15m | Rear-facing
    Save 20%
    CYBEX Cloud T i-Size Plus Car Seat - Sage Green-Car Seats-Without Base- | Natural Baby Shower
    CYBEX Cloud T i-Size Plus Car Seat - Sage Green-Car Seats-Without Base- | Natural Baby Shower
    Preorder
    CYBEX Cloud T i-Size Plus Car Seat - Sage Green
    Birth to 24m | Rear-facing
    Save 48%
    Outlet - BeSafe Flex Fix 2 Car Seat - Metallic Melange-Car Seats-Metallic Melange- | Natural Baby Shower
    Outlet - BeSafe Flex Fix 2 Car Seat - Metallic Melange-Car Seats-Metallic Melange- | Natural Baby Shower
    Summer Sale
    Parent tested
    3D & AR  
    BeSafe Flex Fix 2 Car Seat - Metallic Melange
    4y to 12y | Forward-facing
    Save 10%
    Britax Römer Dualfix M Plus 360 Spin Car Seat - Carbon Black-Car Seats-Carbon Black- | Natural Baby Shower
    Britax Römer Dualfix M Plus 360 Spin Car Seat - Carbon Black-Car Seats-Carbon Black- | Natural Baby Shower
    Summer Sale
    Britax Römer Dualfix M Plus 360 Spin Car Seat - Carbon Black
    3m to 4y | Forward & rear-facing
    Save 42%
    Maxi-Cosi Nomad XL Plus - Authentic Black-Car Seats-Authentic Black- | Natural Baby Shower
    Maxi-Cosi Nomad XL Plus - Authentic Black-Car Seats-Authentic Black- | Natural Baby Shower
    Summer Sale
    Maxi-Cosi Nomad XL Plus - Authentic Black
    15m to 4y | Forward-facing
    Save 25%
    Maxi-Cosi Emerald 360 Pro Car Seat - Authentic Black-Car Seats-Authentic Black- | Natural Baby Shower
    Maxi-Cosi Emerald 360 Pro Car Seat - Authentic Blue-Car Seats-Authentic Blue- | Natural Baby Shower
    Summer Sale
    Parent tested
    3D & AR  
    Maxi-Cosi Emerald 360 Pro Car Seat - Authentic Black
    Birth to 12y | Forward & rear-facing
    Save 15%
    Maxi-Cosi Pebble Slide Pro Car Seat - Oak Truffle-Car Seats-Oak Truffle- | Natural Baby Shower
    Maxi-Cosi Pebble Slide Pro Car Seat - Copper Terra-Car Seats-Copper Terra- | Natural Baby Shower
    New in
    Maxi-Cosi Pebble Slide Pro Car Seat - Oak Truffle
    Birth to 15m | Rear-facing
    Avionaut Maxspace Airflow Car Seat - Pink-Car Seats-Pink- | Natural Baby Shower
    Avionaut Maxspace Airflow Car Seat - Mint-Car Seats- | Natural Baby Shower
    New in
    Avionaut Maxspace Airflow Car Seat - Pink
    3y to 12y | Forward-facing
    CYBEX Sirona Gi i-Size Plus Car Seat - Moon Black-Car Seats-Moon Black- | Natural Baby Shower
    CYBEX Sirona Gi i-Size Plus Car Seat - Stormy Blue-Car Seats-Stormy Blue- | Natural Baby Shower
    Summer Sale
    360°
    CYBEX Sirona Gi i-Size Plus Car Seat - Moon Black
    3m to 4y | Forward & rear-facing
    Save 20%
    Avionaut Pixel 3.0 Infant Carrier Car Seat - Mint-Car Seats-Mint- | Natural Baby Shower
    Avionaut Pixel 3.0 Infant Carrier Car Seat - Mint-Car Seats-Mint- | Natural Baby Shower
    New in
    Avionaut Pixel 3 Infant Carrier Car Seat - Mint
    Birth to 15m | Rear-facing
    Britax Römer Kidfix Pro Car Seat - Dusty Rose - Style-Car Seats-Dusty Rose- | Natural Baby Shower
    Britax Römer Kidfix Pro Car Seat - Dusty Rose - Style-Car Seats-Dusty Rose- | Natural Baby Shower
    Summer Sale
    Parent tested
    Britax Römer Kidfix Pro i-Size Car Seat - Dusty Rose - Style
    3.5y to 12y | Forward-facing
    Save 11%
    Maxi-Cosi Emerald 360 S Car Seat - Tonal Black-Car Seats-Tonal Black- | Natural Baby Shower
    Maxi-Cosi Emerald 360 S Car Seat - Tonal Black-Car Seats-Tonal Black- | Natural Baby Shower
    Summer Sale
    360°
    Maxi-Cosi Emerald 360 S Car Seat - Tonal Black
    Birth to 12y | Forward & rear-facing
    Save 30%
    CYBEX Solution G2 Plus Car Seat - Ocean Blue-Car Seats-Ocean Blue- | Natural Baby Shower
    CYBEX Solution G2 Plus Car Seat - Stone Grey-Car Seats-Stone Grey- | Natural Baby Shower
    Summer Sale
    CYBEX Solution G2 Plus Car Seat - Ocean Blue
    3y to 12y | Forward-facing
    Save 16%
    Britax Romer KIDFIX i-Size High Back Booster Car Seat - Cosmos Black-Car Seats-Cosmos Black- | Natural Baby Shower
    Britax Romer KIDFIX i-Size High Back Booster Car Seat - Cosmos Black-Car Seats-Cosmos Black- | Natural Baby Shower
    Summer Sale
    Britax Romer KIDFIX i-Size High Back Booster Car Seat - Cosmos Black
    3.5y to 12y | Forward-facing
    Save 20%
    Maxi-Cosi Pebble Slide Pro Car Seat - Moon Graphite-Car Seats-Moon Graphite- | Natural Baby Shower
    Maxi-Cosi Pebble Slide Pro Car Seat - Copper Terra-Car Seats-Copper Terra- | Natural Baby Shower
    New in
    Maxi-Cosi Pebble Slide Pro Car Seat - Moon Graphite
    Birth to 15m | Rear-facing
    CYBEX Solution G2 Plus Car Seat - Moon Black-Car Seats-Moon Black- | Natural Baby Shower
    CYBEX Solution G2 Plus Car Seat - Stone Grey-Car Seats-Stone Grey- | Natural Baby Shower
    Summer Sale
    CYBEX Solution G2 Plus Car Seat - Moon Black
    3y to 12y | Forward-facing
    Save 16%
    Maxi-Cosi Pebble 360 Pro 2 Car Seat - Twillic Truffle-Car Seats-Twillic Truffle-No Base | Natural Baby Shower
    Maxi-Cosi Pebble 360 Pro 2 Car Seat - Twillic Truffle-Car Seats-Twillic Truffle-FamilyFix 360 Pro Base | Natural Baby Shower
    Summer Sale
    SlideTech™
    3D & AR  
    Maxi-Cosi Pebble 360 Pro 2 Car Seat - Twillic Truffle
    Birth to 15m | Rear-facing
    Save 20%
    Maxi-Cosi Titan Pro i-Size Car Seat - Authentic Black-Car Seats-Authentic Black- | Natural Baby Shower
    Maxi-Cosi Titan Pro i-Size Car Seat - Authentic Black-Car Seats-Authentic Black- | Natural Baby Shower
    Summer Sale
    Maxi-Cosi Titan Pro2 i-Size Car Seat - Authentic Black
    15m to 12y | Forward-facing
    Save 20%
    Avionaut Stardust 360 Car Seat - Red-Car Seats- | Natural Baby Shower
    Avionaut Stardust 360 Car Seat - Navy-Car Seats-Without Newborn Insert- | Natural Baby Shower
    New in
    Avionaut Stardust 360 Car Seat - Red
    Birth to 12y | Forward & rear-facing
    Silver Cross Motion 3 All-size Car Seat - Natural Taupe-Car Seats-Natural Taupe-One | Natural Baby Shower
    Silver Cross Motion 3 All-size Car Seat - Iconic Black-Car Seats-Iconic Black-One | Natural Baby Shower
    Summer Sale
    Silver Cross Motion 3 All-size Car Seat - Natural Taupe
    Birth to 12y | Forward & rear-facing
    Save 9%
    CYBEX Solution G2 Car Seat - Magic Black-Car Seats-Magic Black- | Natural Baby Shower
    CYBEX Solution G2 Plus Car Seat - Stone Grey-Car Seats-Stone Grey- | Natural Baby Shower
    Summer Sale
    CYBEX Solution G2 Car Seat - Magic Black
    3y to 12y | Forward-facing
    Save 12%
    Maxi-Cosi Emerald 360 Pro Car Seat - Authentic Truffle-Car Seats-Authentic Truffle- | Natural Baby Shower
    Maxi-Cosi Emerald 360 Pro Car Seat - Authentic Blue-Car Seats-Authentic Blue- | Natural Baby Shower
    Summer Sale
    Parent tested
    3D & AR  
    Maxi-Cosi Emerald 360 Pro Car Seat - Authentic Truffle
    Birth to 12y | Forward & rear-facing
    Save 15%
    Maxi-Cosi Rodifix Pro2 i-Size Car Seat - Authentic Graphite 2-Car Seats-Authentic Graphite 2- | Natural Baby Shower
    Maxi-Cosi Rodifix Pro2 i-Size Car Seat - Authentic Graphite 2-Car Seats-Authentic Graphite 2- | Natural Baby Shower
    Summer Sale
    Maxi-Cosi Rodifix Pro2 i-Size Car Seat - Authentic Graphite 2
    3.5y to 12y | Forward-facing
    Save 20%
    Avionaut Pixel 3.0 Infant Carrier Car Seat - Grey-Car Seats-Grey- | Natural Baby Shower
    Avionaut Pixel 3.0 Infant Carrier Car Seat - Grey-Car Seats-Grey- | Natural Baby Shower
    New in
    Avionaut Pixel 3 Infant Carrier Car Seat - Grey
    Birth to 15m | Rear-facing
    CYBEX Sirona T i-Size 360° Rotating Toddler Car Seat - Sepia Black-Car Seats-Sepia Black-CYBEX Base T | Natural Baby Shower
    CYBEX Sirona T i-Size Plus Car Seat - Sepia Black-Car Seats-No Base- | Natural Baby Shower
    Summer Sale
    360°
    CYBEX Sirona T i-Size Car Seat - Sepia Black
    Birth to 4y | Forward & rear-facing
    Save 10%
    Maxi-Cosi Emerald 360 Pro Car Seat - Tonal Truffle-Car Seats- | Natural Baby Shower
    Maxi-Cosi Emerald 360 S Car Seat - Tonal Graphite-Car Seats-Tonal Graphite- | Natural Baby Shower
    New in
    Parent tested
    3D & AR  
    Maxi-Cosi Emerald 360 S Car Seat - Tonal Truffle
    Birth to 12y | Forward & rear-facing
    Britax Romer Dualfix M Plus 360 Spin Car Seat - Midnight Grey-Car Seats-Midnight Grey- | Natural Baby Shower
    Britax Romer Dualfix M Plus 360 Spin Car Seat - Midnight Grey-Car Seats-Midnight Grey- | Natural Baby Shower
    Summer Sale
    Britax Romer Dualfix M Plus 360 Spin Car Seat - Midnight Grey
    3m to 4y | Forward & rear-facing
    Save 37%
    Maxi-Cosi Pebble 360 Pro 2 Car Seat - Twillic Graphite-Car Seats-Twillic Graphite-No Base | Natural Baby Shower
    Maxi-Cosi Pebble 360 Pro 2 Car Seat - Twillic Graphite-Car Seats-Twillic Graphite-FamilyFix 360 Pro Base | Natural Baby Shower
    Summer Sale
    SlideTech™
    3D & AR  
    Maxi-Cosi Pebble 360 Pro 2 Car Seat - Twillic Graphite
    Birth to 15m | Rear-facing
    Save 20%
    CYBEX Pallas G3 Plus i-Size Car Seat - Moon Black-Car Seats-Moon Black- | Natural Baby Shower
    CYBEX Pallas G3 Plus i-Size Car Seat - Moon Black-Car Seats-Moon Black- | Natural Baby Shower
    Summer Sale
    CYBEX Pallas G3 Plus i-Size Car Seat - Moon Black
    15m to 12y | Forward-facing
    Save 15%
    Maxi-Cosi Topaz i-Size Car Seat - Full Graphite-Car Seats-Full Graphite- | Natural Baby Shower
    Maxi-Cosi Topaz i-Size Car Seat - Full Graphite-Car Seats-Full Graphite- | Natural Baby Shower
    Summer Sale
    Maxi-Cosi Topaz i-Size Car Seat - Full Graphite
    15m to 12y | Forward-facing
    Save 33%
    Avionaut Pixel Pro 2.0C Infant Carrier Car Seat - Grey-Car Seats-Grey- | Natural Baby Shower
    Avionaut Pixel Pro 2.0C Infant Carrier Car Seat - Black-Car Seats-No Base- | Natural Baby Shower
    New in
    Avionaut Pixel Pro 2.0C Infant Carrier Car Seat - Grey
    Birth to 15m | Rear-facing
    Silver Cross Glide Plus 360 - Natural Taupe-Car Seats-Natural Taupe- | Natural Baby Shower
    Silver Cross Glide Plus 360 - Natural Taupe-Car Seats-Natural Taupe- | Natural Baby Shower
    Silver Cross Glide Plus 360 - Natural Taupe
    Birth to 18m | Rear-facing
    Britax Romer KIDFIX i-Size High Back Booster Car Seat - Storm Grey-Car Seats-Storm Grey- | Natural Baby Shower
    Britax Romer KIDFIX i-Size High Back Booster Car Seat - Storm Grey-Car Seats-Storm Grey- | Natural Baby Shower
    Summer Sale
    Britax Romer KIDFIX i-Size High Back Booster Car Seat - Storm Grey
    3.5y to 12y | Forward-facing
    Save 20%
    Axkid UP Car Seat - Arctic Mist Grey-Car Seats-Arctic Mist Grey- | Natural Baby Shower
    Axkid UP Car Seat - Glacier Lake Blue-Car Seats-Glacier Lake Blue- | Natural Baby Shower
    Freebies
    Parent tested
    Axkid UP Car Seat - Arctic Mist Grey
    4y to 12y | Forward-facing
    Save 19%
    Free Footrest worth £50
    Maxi-Cosi Rodifix Pro2 i-Size Car Seat - Authentic Truffle-Car Seats-Authentic Truffle- | Natural Baby Shower
    Maxi-Cosi Rodifix Pro2 i-Size Car Seat - Authentic Truffle-Car Seats-Authentic Truffle- | Natural Baby Shower
    Summer Sale
    Maxi-Cosi Rodifix Pro2 i-Size Car Seat - Authentic Truffle
    3.5y to 12y | Forward-facing
    Save 20%
    Joie i-Spin 360 Car Seat - Shale-Car Seats-Shale-One Size | Natural Baby Shower
    Joie i-Spin 360 Car Seat - Shale-Car Seats-Shale-One Size | Natural Baby Shower
    Summer Sale
    360°
    Joie i-Spin 360 Car Seat - Shale
    Birth to 4y | Forward & rear-facing
    Save 13%
    Silver Cross Glide Plus 360 - Iconic Black-Car Seats-Iconic Black- | Natural Baby Shower
    Silver Cross Glide Plus 360 - Iconic Black-Car Seats-Iconic Black- | Natural Baby Shower
    Silver Cross Glide Plus 360 - Iconic Black
    Birth to 18m | Rear-facing
    Maxi-Cosi RodiFix Pro2 i-Size Car Seat - Authentic Black-Car Seats-Authentic Black- | Natural Baby Shower
    Maxi-Cosi RodiFix Pro2 i-Size Car Seat - Authentic Black-Car Seats-Authentic Black- | Natural Baby Shower
    Summer Sale
    Maxi-Cosi RodiFix Pro2 i-Size Car Seat - Authentic Black
    3.5y to 12y | Forward-facing
    Save 20%
    CYBEX Cloud T i-Size Rotating Baby Car Seat - Sepia Black-Car Seats-Sepia Black-No Base | Natural Baby Shower
    CYBEX Cloud T i-Size Plus Car Seat - Sepia Black-Car Seats-No Base- | Natural Baby Shower
    Parent tested
    CYBEX Cloud T i-Size Car Seat - Sepia Black
    Birth to 24m | Rear-facing