Two kids smiling in all-in-one car seats, safe and comfortable for travel
Two kids smiling in all-in-one car seats, safe and comfortable for travel

All-In-One Car Seat

Showing 1 - 30 of 30 products

Showing 1 - 30 of 30 products
Britax One4life Slim All-In-One Car Seat in Mineral Gray, featuring a modern design, adjustable harness, and cup holders.15-position, quick-adjust headrest and harness of the Britax One4life® Slim All-In-One Car Seat in Mineral Gray, showcasing a user adjusting it.
Britax Britax - One4life® Slim All-In-One Car Seat, Mineral Gray
$479.99
In stock, 3 units
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Maxi-Cosi Andi 360 Rotating All-in-One Convertible Car Seat in Caspian Caviar with two cup holders and adjustable recline feature.A smiling child in a striped shirt is safely buckled in a Maxi-Cosi Andi 360 car seat, while an adult adjusts the seat.
Maxi-Cosi Maxi-Cosi - Andi 360 Rotating All-in-One Convertible Car Seat, Caspian Caviar
$499.99
Only 1 unit left
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Maxi-Cosi Pria Max All-in-One Convertible Car Seat in Oyster Shell color, featuring plush padding, safety harness, and cup holders.Maxi-Cosi Pria Max All-in-One Convertible Car Seat in Oyster Shell, featuring a smiling child secured in the seat, with a side impact safety badge.
Maxi-Cosi Maxi-Cosi - Pria Max All-in-One Convertible Car Seat, Oyster Shell
$329.99
Only 1 unit left
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Graco 4Ever DLX 4-in-1 car seat in Maven color, featuring a soft fabric, adjustable harness, and cup holders.Graco 4Ever DLX 4-in-1 car seat with a child securely harnessed, featuring a grey design and visible easy-adjust harness label.
Graco Graco - 4Ever DLX 4 in 1 Car Seat, All In One, Maven
$369.99
Only 1 unit left
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Maxi-Cosi Pria All-in-One Convertible Car Seat in Seascape, featuring a padded design and safety harness with cup holders.Child smiling in a Maxi-Cosi Pria All-in-One Convertible Car Seat with visible side impact protection feature.
Maxi-Cosi Maxi-Cosi - Pria All-in-One Convertible Car Seat, Seascape
$269.99
In stock, 2 units
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Axkid ONE 3 Extended Rear-Facing Car Seat in Coastal Storm Black with a five-point harness and adjustable headrest.Axkid ONE 3 Extended Rear-Facing Car Seat in Coastal Storm Black, showcasing a sleek design with adjustable headrest and safety features.
Axkid Axkid ONE 3 Extended Rear-Facing Car Seat, Coastal Storm Black
$899.00
In stock, 3 units
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Britax One4Life Slim All-in-One Car Seat in Sea Foam, featuring padded seating, adjustable straps, and two cup holders.Britax One4Life Slim All-in-One Car Seat in Sea Foam, featuring toddlers and children seated securely, highlighting its adjustable design for 10 years of use.
Britax Britax One4Life Slim All-in-One Car Seat, Sea Foam
$449.99
In stock, 2 units
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Romer Nexa All-in-One Convertible Car Seat in Peppercorn color, featuring a padded harness, cup holder, and mesh back.Romer Nexa All-in-One Convertible Car Seat in Peppercorn color, featuring black fabric, adjustable harness, and two cup holders.
Romer Romer Nexa All-in-One Convertible Car Seat, Peppercorn
$749.99
Only 1 unit left
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All-in-one convertible car seat in Truffle color with plush padding, harness system, and cup holder.Romer Nexa All-in-One Convertible Car Seat in Truffle color, featuring adjustable headrest, padding, and cup holders.
Romer Romer Nexa All-in-One Convertible Car Seat, Truffle
$749.99
In stock, 2 units
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Maxi-Cosi Andi 360 Rotating All-in-One Convertible Car Seat in Truffle color, featuring side cup holders and adjustable headrest.Maxi-Cosi Andi 360 Rotating All-in-One Convertible Car Seat in Truffle, with a smiling child securely buckled and enjoying a drink.
Maxi-Cosi Maxi-Cosi - Andi 360 Rotating All-in-One Convertible Car Seat, Truffle
$499.99
In stock, 4 units
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Britax One4Life Slim All in One Car Seat in Raven Black with a sleek design, adjustable harness, and two cup holders.Britax One4Life Slim All in One Car Seat in Raven Black, showing a hand cleaning under the seat with a cloth.
Britax Britax - One4Life Slim All in One Car Seat, Raven Black
$449.99
In stock, 2 units
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Britax One4Life All in One Convertible Car Seat in Mineral Gray, featuring a padded seat, harness, and dual cup holders.Britax One4Life All in One Convertible Car Seat in Mineral Gray, featuring a smiling child securely buckled in with cup holders.
Britax Britax - One4Life All in One Convertible Car Seat, Mineral Gray
$439.99
Only 1 unit left
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Britax One4Life All in One Convertible Car Seat in Parchment color, features plush padding and dual cup holders.Britax One4Life All in One Convertible Car Seat in Parchment with a smiling child secured in the seat, sitting in a vehicle.
Britax Britax - One4Life All in One Convertible Car Seat, Parchment
$439.99
In stock, 3 units
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Axkid ONE 3 Extended Rear-Facing Car Seat in Arctic Mist Grey with safety harness and adjustable base.Axkid ONE 3 Extended Rear-Facing Car Seat in Arctic Mist Grey, featuring adjustable headrest and safety harness.
Axkid Axkid ONE 3 Extended Rear-Facing Car Seat, Arctic Mist Grey
$899.00
In stock, 3 units
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Graco Extend2Fit 3-in-1 Convertible Baby Car Seat in Ashten color, featuring adjustable head support, secure harness, and cup holders.Graco Extend2Fit 3-in-1 Convertible Baby Car Seat in Ashten color, featuring an adjustable headrest, cup holders, and safety harness.
Graco Graco - Extend2Fit 3-in-1 Convertible Baby Car Seat, Ashten
$299.99
In stock, 2 units
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Maxi-Cosi Pria All-in-One Convertible Car Seat in Blackened Pearl, featuring plush cushioning and dual cup holders.Convertible car seat with a smiling child, featuring side impact protection branding and safety certification badge.
Maxi-Cosi Maxi-Cosi - Pria All-in-One Convertible Car Seat Blackened Pearl
$269.99
In stock, 5 units
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Maxi-Cosi Pria™ All-In-One Convertible Car Seat in Sea Storm color, featuring padded side supports, a five-point harness, and two cup holders.Maxi-Cosi Pria™ All-In-One Convertible Car Seat in Sea Storm, featuring adjustable headrest, plush padding, and 3 recline positions.
Maxi-Cosi Maxi-Cosi Pria™ All-In-One Convertible Car Seat, Sea Storm
$269.99
In stock, 3 units
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Axkid ONE 3 Extended Rear-Facing Car Seat in Nordic Bloom Green, featuring adjustable harness and sleek design.Axkid ONE 3 Extended Rear-Facing Car Seat in Nordic Bloom Green, featuring safety harness straps and a comfortable design.
Axkid Axkid ONE 3 Extended Rear-Facing Car Seat, Nordic Bloom Green
$899.00
In stock, 2 units
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Chicco OneFit LX ClearTex All-in-One Car Seat in Smoke/Grey with protective side wings and cup holders.Chicco OneFit LX ClearTex All-in-One Car Seat in smoke/grey, featuring a child securely strapped inside, showcasing its LeverLock installation system.
Chicco Chicco OneFit LX ClearTex All-in-One Car Seat with LeverLock Installation, Slim Design, Convertible Car Seat, Smoke/Grey
$329.99
In stock, 3 units
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Chicco Onefit Max Cleartex All-In-One Car Seat in black with orange accents, featuring adjustable headrest and cup holders.Chicco Onefit Max Cleartex All-In-One Car Seat in a vehicle, with children safely seated, showcasing its safety features and lever-lock installation system.
Chicco Chicco Onefit Max Cleartex All-In-One Car Seat,Energy
$379.99
In stock, 6 units
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Britax One4Life All-in-One Convertible Car Seat in Raven Black with adjustable harness, side cup holders, and safety labels.Britax One4Life All in One Convertible Car Seat in Raven Black, with a smiling child seated inside, secured with seatbelt.
Britax Britax - One4Life All in One Convertible Car Seat, Raven Black
$439.99
Only 1 unit left
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Britax One4Life Slim All-in-One Car Seat in Parchment with grey fabric, adjustable harness, side cup holders, and safety features.Britax One4Life Slim All in One Car Seat in Parchment, depicting ease of cleaning with a hand using a cloth beneath the seat.
Britax Britax One4Life Slim All in One Car Seat Parchment
$449.99
In stock, 4 units
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Maxi-Cosi Pria All-in-One Convertible Car Seat in SeaDrift color, featuring padded seats, harness system, and side cup holders.Convertible car seat featuring a smiling child securely seated, with a focus on side impact protection details.
Maxi-Cosi Maxi-Cosi - Pria All-in-One Convertible Car Seat, SeaDrift
$279.99
In stock, 4 units
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Maxi-Cosi Andi 360 Rotating All-in-One Convertible Car Seat in Escargot, featuring a padded design and cup holders.Maxi-Cosi Andi 360 Rotating All-in-One Convertible Car Seat in Escargot, with a smiling child secured and a parent adjusting the harness.
Maxi-Cosi Maxi-Cosi - Andi 360 Rotating All-in-One Convertible Car Seat, Escargot
$499.99
Sold out
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Maxi-Cosi Pria Max All-in-One Convertible Car Seat in Caspian Caviar with padded seat, safety harness, and cup holders.Maxi-Cosi Pria Max All-in-One Convertible Car Seat in Caspian Caviar, featuring a smiling child and a side impact safety standard badge.
Maxi-Cosi Maxi-Cosi - Pria Max All-in-One Convertible Car Seat, Caspian Caviar
$329.99
Sold out
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Maxi-Cosi Pria Max All-in-One Convertible Car Seat in Escargot color featuring plush seating, side cup holders, and adjustable headrest.Maxi-Cosi Pria Max All-in-One Convertible Car Seat in Escargot with a smiling child secured in the seat and a side impact safety badge.
Maxi-Cosi Maxi-Cosi - Pria Max All-in-One Convertible Car Seat, Escargot
$329.99
Sold out
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Chicco Onefit Max Cleartex All-In-One Car Seat in Ash color, featuring a quilted fabric design, safety harness, and cup holder.Chicco Onefit Max Cleartex All-In-One Car Seat in Ash, showing a baby and a child secured, highlighting the LeverLock installation feature.
Chicco Chicco Onefit Max Cleartex All-In-One Car Seat, Ash
$379.99
Sold out
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Nuna - EXEC All-In-One Convertible Car Seat, Caviar Image 1Nuna - EXEC All-In-One Convertible Car Seat, Caviar Image 2
Nuna Nuna - EXEC All-In-One Convertible Car Seat, Caviar
$780.00
Sold out
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Axkid ONE 3 Extended Rear-Facing Car Seat, Glacier Lake Blue Image 1Axkid ONE 3 Extended Rear-Facing Car Seat, Glacier Lake Blue Image 2
Axkid Axkid ONE 3 Extended Rear-Facing Car Seat, Glacier Lake Blue
$899.00
Sold out
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Graco - Premier 4Ever DLX Extend2Fit SnugLock 4-in-1 Car Seat Featuring Anti-Rebound Bar, Midtown Image 1Graco - Premier 4Ever DLX Extend2Fit SnugLock 4-in-1 Car Seat Featuring Anti-Rebound Bar, Midtown Image 2
Graco Graco - Premier 4Ever DLX Extend2Fit SnugLock 4-in-1 Car Seat Featuring Anti-Rebound Bar, Midtown
$499.99
Sold out
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At MacroBaby, our selection of All-In-One Car Seats offers the ultimate convenience and safety for your growing child. Designed to adapt as your baby transitions from infancy to toddlerhood and beyond, these car seats are built for long-term use, ensuring comfort and security at every stage. With top brands like Maxi-Cosi, Nuna, and Graco, you can trust that your little one is protected with cutting-edge safety features and superior craftsmanship.

From rear-facing infant mode to forward-facing and booster configurations, our all-in-one car seats offer maximum versatility, eliminating the need to purchase multiple seats as your child grows. Explore options with adjustable recline, advanced side-impact protection, and easy installation systems to make every journey smooth and worry-free.

Find the perfect All-in-one car seat for your family at MacroBaby, where safety and comfort come first!

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