All-in-One Car Seats
All-in-One car seats can be installed rear-facing, forward-facing with a harness, and have a booster mode!
Learn more about our GoodBuy ™ Car Seat Safety Check here & learn more about the different types of car seats, plus choosing the best one for your family here.
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Maxi-Cosi Pria All-In-1 Convertible Car Seat, After Dark, 2024
5.0 / 5.0
1 Review
Condition: Open Box The Pria All-in-1 car seat is designed to comfort and grow with your child! This car seat works from birth to approximately 10...
View full detailsGraco Extend2Fit 3-in-1 Convertible Car Seat, 2024, Stocklyn
5.0 / 5.0
2 Reviews
Condition: Open Box Graco's Extend2Fit 3-in-1 Convertible Car Seat is engineered to provide advanced safety and up to 5" additional legroom for lon...
View full detailsCybex Callisto G 360 All-in-One Car Seat, 2025, Moon Black
Condition: Open Box The Callisto G 360 is a versatile car seat that grows with your child, offering safety and comfort from infancy to 10 years. Wi...
View full detailsCybex Callisto G 360 All-in-One Car Seat, 2025, Almond Beige
Condition: Open Box "The Callisto G 360 is a versatile car seat that grows with your child, offering safety and comfort from infancy to...
View full detailsGraco Extend2Fit 3-in-1 Convertible Car Seat, 2023, Norah
5.0 / 5.0
2 Reviews
Condition: Open Box Graco's Extend2Fit 3-in-1 Convertible Car Seat is engineered to provide advanced safety and up to 5" additional legroom for lon...
View full detailsGraco 4Ever DLX SnugLock 4-in-1 Car Seat, Tomlin, 2024
Condition: Open Box The Graco 4Ever DLX SnugLock 4-in-1 Car Seat provides parents with 10 years of use and ultimate safety. It transforms from 4-40...
View full detailsGraco SlimFit 3-in-1 Convertible Car Seat, Darcie, 2024
Condition: Open Box The Graco SlimFit Convertible Car Seat helps to keep your child safe, no matter your destination. This seat keeps them protecte...
View full detailsCybex Callisto G 360 Select Car Seat, 2025, Black
Condition: Open Box The Callisto G 360 Select is a versatile car seat that grows with your child, offering safety and comfort from infancy to 10 ye...
View full detailsCybex Callisto G 360 All-in-One Car Seat, Stone Grey, 2025
Condition: Open Box The Callisto G 360 is a versatile car seat that grows with your child, offering safety and comfort from infancy to 10 years. Wi...
View full detailsMaxi-Cosi Pria Max All-in-One Convertible Car Seat, 2025, Desert Wonder
5.0 / 5.0
2 Reviews
Condition: Open Box Maxi-Cosi's Pria Max All-in-One Convertible Car Seat is suitable for your little one from birth to 10 years of age. It features...
View full detailsNuna EXEC All In One Car Seat, 2025, Caviar
Condition: Open Box This is the only car seat you’ll need, from birth to 4 plus years! It functions as a rear facing convertible, a forward facing ...
View full detailsCybex Callisto G 360 All-in-One Car Seat, 2024, Almond Beige
Condition: Open Box The Callisto G 360 is a versatile car seat that grows with your child, offering safety and comfort from infancy to 10 years. Wi...
View full detailsCybex Eternis S All-In-One Car Seat with SensorSafe, 2021, Lavastone Black
Condition: Open Box "This great all-in-one convertible car seat with SensorSafe technology from Cybex meets all your protection needs a...
View full detailsCybex Eternis S All-In-One Car Seat with SensorSafe, 2022, Lavastone Black
Condition: Open Box "This great all-in-one convertible car seat with SensorSafe technology from Cybex meets all your protection needs a...
View full detailsGraco 4Ever DLX 4-in-1 Car Seat, 2024, Fairmont
Condition: Open Box Enjoy 10 years of safety and convenience with the Graco 4Ever DLX 4-in-1 Car Seat. Advanced safety features such as Graco Prote...
View full detailsCybex Callisto G 360 All-in-One Car Seat, Stone Grey, 2024
Condition: Open Box The Callisto G 360 is a versatile car seat that grows with your child, offering safety and comfort from infancy to 10 years. Wi...
View full detailsCybex Callisto G 360 All-in-One Car Seat, Ocean Blue, 2025
Condition: Open Box The Callisto G 360 is a versatile car seat that grows with your child, offering safety and comfort from infancy to 10 years. Wi...
View full detailsGraco 4Ever DLX SnugLock 4-in-1 Car Seat, 2022, Leila
Condition: Open Box The Graco 4Ever DLX SnugLock 4-in-1 Car Seat provides parents with 10 years of use and ultimate safety. It transforms from 4-40...
View full detailsGraco TriRide 3-in-1 Convertible Car Seat, Redmond, 2024
Condition: Open Box Experience the security and convenience of Graco's TriRide 3-in-1 Convertible Car Seat. ProtectPlus Engineered technology combi...
View full detailsBritax One4Life Slim ClickTight All-in-One Car Seat, Mineral Gray, 2024
Condition: Open Box One4life takes your child from birth to a big kid with Britax safety and ClickTight installation. It converts from a rear-facin...
View full detailsGraco SlimFit 3-in-1 Convertible Car Seat, 2024, Anabele
Condition: Open Box The Graco SlimFit Convertible Car Seat helps to keep your child safe, no matter your destination. This seat keeps them protecte...
View full detailsCybex Callisto G 360 Select Car Seat, Grey, 2025
Condition: Open Box The Callisto G 360 Select is a versatile car seat that grows with your child, offering safety and comfort from infancy to 10 ye...
View full detailsMaxi-Cosi Pria All-In-1 Convertible Car Seat, 2025, After Dark
5.0 / 5.0
1 Review
Condition: Open Box The Pria All-in-1 car seat is designed to comfort and grow with your child! This car seat works from birth to approximately 10...
View full detailsBaby Trend Cover Me 4-in-1 Convertible Car Seat, 2024, Vespa
Condition: Open Box The Cover Me car seat will take your child from birth comfortably and safely. It features a shade canopy, height adjustable hea...
View full detailsCybex Eternis S All-In-One Car Seat with SensorSafe, 2019, Lavastone Black
Condition: Open Box This great all-in-one convertible car seat with SensorSafe technology from Cybex meets all your protection needs as your child ...
View full detailsGraco 4Ever DLX Snuglock Grow 4-in-1 Convertible Car Seat, 2021, Maison
Condition: Open Box Infant Insert Included?: Yes Cup Holder Included?: Yes The Graco 4Ever DLX Snuglock Grow 4-in-1 Convertible Car Seat features...
View full detailsBritax One4Life All-in-One Car Seat & Booster Combo, 2022, ClickTight, Iris Onyx
Condition: Open Box One4life takes your child from birth to a big kid with Britax safety and ClickTight installation. It converts from a rear-facin...
View full detailsMaxi-Cosi Pria Max All-in-One Convertible Car Seat, 2024, Essential Black
5.0 / 5.0
2 Reviews
Condition: Open Box Maxi-Cosi's Pria Max All-in-One Convertible Car Seat is suitable for your little one from birth to 10 years of age. It features...
View full detailsGraco 4Ever DLX Grad 5-in-1 Car Seat, 2023, Harrison
Condition: Open Box Rear facing harness 4-40 lbs, forward-facing harness 22-65 lbs, Highback booster 40-100 lbs, backless booster 40-120 lbs, seat ...
View full detailsGraco TriRide 3-in-1 Convertible Car Seat, Clybourne, 2024
Condition: Open Box Experience the security and convenience of Graco's TriRide 3-in-1 Convertible Car Seat. ProtectPlus Engineered technology combi...
View full detailsBritax One4Life All-in-One Car Seat & Booster Combo, 2023, Jade Onyx, ClickTight
Condition: Open Box One4life takes your child from birth to a big kid with Britax safety and ClickTight installation. It converts from a rear-facin...
View full detailsBritax One4Life Slim ClickTight All-in-One Car Seat, 2024, Parchment
Condition: Open Box One4life takes your child from birth to a big kid with Britax safety and ClickTight installation. It converts from a rear-facin...
View full detailsBritax One4Life Slim ClickTight All-in-One Car Seat, Mineral Gray, 2025
Condition: Open Box One4life takes your child from birth to a big kid with Britax safety and ClickTight installation. It converts from a rear-facin...
View full detailsBaby Trend Cover Me 4-in-1 Convertible Car Seat, 2022, Dark Moon
Condition: Open Box The Cover Me car seat will take your child from birth comfortably and safely. It features a shade canopy, height adjustable hea...
View full detailsSafety 1st TriMate All-in-one Convertible Car Seat, Dunes Edge, 2025
Condition: Open Box The TriMate All-in-One Car Seat grows with your child through three distinct stages: rear-facing infant mode (5–40 lbs.), forwa...
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