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Booster Car Seats

Keep your big kid safe without breaking the bank. Our open box and gently used booster car seats are safety-inspected, cleaned, and ready for the next ride. Shop trusted brands like Graco, Chicco, and Britax while saving an average of 50% off retail. Find both highback and backless styles—each one parent-approved and road ready.

Learn more about our GoodBuy ™ Car Seat Safety Check here & learn about the different types of car seats, plus choosing the best one for your family here.

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Shop Graco Tranzitions 3-in-1 Harness Booster Car Seat, 2024, Marley at GoodBuy Gear Save 22% Save %
$93.52
$93.52 - $93.52
$93.52
$119.99
$119.99 - $119.99
$119.99

Graco Tranzitions 3-in-1 Harness Booster Car Seat, 2024, Marley

Condition: Open Box The Graco Tranzitions 3-in-1 Harness Booster Car Seat is the perfect tool for busy parents to protect your child from toddler t...

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Open Box
in stock
Shop Graco Tranzitions 3-in-1 Harness Booster Car Seat, 2023, Marley at GoodBuy Gear Save 22% Save %
$93.52
$93.52 - $93.52
$93.52
$119.99
$119.99 - $119.99
$119.99

Graco Tranzitions 3-in-1 Harness Booster Car Seat, 2023, Marley

Condition: Open Box The Graco Tranzitions 3-in-1 Harness Booster Car Seat is the perfect tool for busy parents to protect your child from toddler t...

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Open Box
in stock
Shop Graco TurboBooster 2.0 Highback Booster, 2024, Declan at GoodBuy Gear Save 43% Save %
$39.99
$39.99 - $39.99
$39.99
$69.99
$69.99 - $69.99
$69.99

Graco TurboBooster 2.0 Highback Booster, 2024, Declan

Condition: Open Box "The Graco TurboBooster Highback Booster is designed to safely transport your big kids from 4-10 years old and 40-1...

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Open Box
Only 2 left!
Shop Graco TurboBooster 2.0 Highback Booster, 2023, Freya at GoodBuy Gear Save 43% Save %
$39.99
$39.99 - $39.99
$39.99
$69.99
$69.99 - $69.99
$69.99

Graco TurboBooster 2.0 Highback Booster, 2023, Freya

Condition: Open Box The Graco TurboBooster Highback Booster is designed to safely transport your big kids from 4-10 years old and 40-100 lbs, as we...

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Open Box
Only 5 left!
Shop Graco TurboBooster Stretch2FIT Booster Seat, 2022, Spencer at GoodBuy Gear
Save 46% Save %
$54.01
$54.01 - $54.01
$54.01
$99.99
$99.99 - $99.99
$99.99

Graco TurboBooster Stretch2FIT Booster Seat, 2022, Spencer

Condition: Open Box This booster offers easy adaptability with 9 adjustable back and headrest positions for growing children. With breathable AirFl...

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Open Box
Only 1 left!
Shop Graco TurboBooster 2.0 Backless Booster Car Seat, 2023, Kent at GoodBuy Gear
Save 23% Save %
$26.99
$26.99 - $26.99
$26.99
$34.99
$34.99 - $34.99
$34.99

Graco TurboBooster 2.0 Backless Booster Car Seat, 2023, Kent

Condition: Open Box The Graco TurboBooster 2.0 Backless Booster Car Seat offers advanced protection in crashes and a comfortable seating position w...

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Open Box
Only 1 left!
Shop Graco TurboBooster Stretch2FIT Booster Seat, 2023, Ainsley at GoodBuy Gear
Save 49% Save %
$51.31
$51.31 - $51.31
$51.31
$99.99
$99.99 - $99.99
$99.99

Graco TurboBooster Stretch2FIT Booster Seat, 2023, Ainsley

Condition: Open Box This booster offers easy adaptability with 9 adjustable back and headrest positions for growing children. With breathable AirFl...

View full details
Open Box
in stock
Shop Graco TurboBooster LX Backless Booster Car Seat, Montgomery, 2023 at GoodBuy Gear
Save 48% Save %
$20.89
$20.89 - $20.89
$20.89
$40.00
$40.00 - $40.00
$40.00

Graco TurboBooster LX Backless Booster Car Seat, Montgomery, 2023

Condition: Open Box Backless booster for 40-100 lbs and 43-57” tall with latch system to quickly and easily tighten and secure seat. Would you rath...

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Open Box
in stock
Shop Graco TurboBooster Stretch2FIT Booster Seat, 2023, Spencer at GoodBuy Gear
Save 49% Save %
$50.53
$50.53 - $50.53
$50.53
$99.99
$99.99 - $99.99
$99.99

Graco TurboBooster Stretch2FIT Booster Seat, 2023, Spencer

Condition: Open Box This booster offers easy adaptability with 9 adjustable back and headrest positions for growing children. With breathable AirFl...

View full details
Open Box
Only 4 left!
Shop Graco TurboBooster Stretch2FIT Booster Seat, 2022, Ainsley at GoodBuy Gear
Save 49% Save %
$51.31
$51.31 - $51.31
$51.31
$99.99
$99.99 - $99.99
$99.99

Graco TurboBooster Stretch2FIT Booster Seat, 2022, Ainsley

Condition: Open Box This booster offers easy adaptability with 9 adjustable back and headrest positions for growing children. With breathable AirFl...

View full details
Open Box
Only 3 left!
Shop Graco Affix Highback Booster Seat, 2023, Atomic at GoodBuy Gear
Save 35% Save %
$61.74
$61.74 - $61.74
$61.74
$94.99
$94.99 - $94.99
$94.99

Graco Affix Highback Booster Seat, 2023, Atomic

Condition: Open Box The Graco Affix Highback Booster Seat is designed to keep your child safe and comfortable while traveling. Featuring a one-hand...

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Open Box
Only 2 left!
Shop Graco TurboBooster LX Backless Booster Car Seat, 2022, Montgomery at GoodBuy Gear
Save 45% Save %
$21.99
$21.99 - $21.99
$21.99
$40.00
$40.00 - $40.00
$40.00

Graco TurboBooster LX Backless Booster Car Seat, 2022, Montgomery

Condition: Open Box "Backless booster for 40-100 lbs and 43-57” tall with latch system to quickly and easily tighten and secure seat." ...

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Open Box
Only 1 left!
Shop Graco TurboBooster Stretch2FIT Booster Seat, 2022, Ainsley at GoodBuy Gear
Save 57% Save %
$43.16
$43.16 - $43.16
$43.16
$99.99
$99.99 - $99.99
$99.99

Graco TurboBooster Stretch2FIT Booster Seat, 2022, Ainsley

Condition: Barely Used This booster offers easy adaptability with 9 adjustable back and headrest positions for growing children. With breathable Ai...

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Barely Used
Only 1 left!
Shop Graco TurboBooster 2.0 Backless Booster Car Seat, 2023, Denton at GoodBuy Gear
Save 23% Save %
$26.99
$26.99 - $26.99
$26.99
$34.99
$34.99 - $34.99
$34.99

Graco TurboBooster 2.0 Backless Booster Car Seat, 2023, Denton

Condition: Open Box The Graco TurboBooster 2.0 Backless Booster Car Seat offers advanced protection in crashes and a comfortable seating position w...

View full details
Open Box
Only 1 left!
Shop Peg Perego Viaggio Flex 120 Booster, Monza, 2024 at GoodBuy Gear
Save 25% Save %
$224.99
$224.99 - $224.99
$224.99
$299.99
$299.99 - $299.99
$299.99

Peg Perego Viaggio Flex 120 Booster, Monza, 2024

Condition: Open Box The Viaggio Flex 120 features four independently adjustable zones: headrest, upper backrest, side wings, and seat base—each mov...

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Open Box
Only 1 left!
Shop Cosco Rise LX Booster Car Seat, 2024, Cameo Rose at GoodBuy Gear
Save 35% Save %
$12.99
$12.99 - $12.99
$12.99
$19.98
$19.98 - $19.98
$19.98

Cosco Rise LX Booster Car Seat, 2024, Cameo Rose

Condition: Open Box Expertly designed for safety and convenience, the backless booster car seat accommodates children from 40-100 lbs. and 43.4"-57...

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Open Box
Only 1 left!
Shop Graco Tranzitions 3-in-1 Harness Booster Car Seat, 2024, Marley at GoodBuy Gear
Save 26% Save %
$111.72
$111.72 - $111.72
$111.72
$149.99
$149.99 - $149.99
$149.99

Graco Tranzitions 3-in-1 Harness Booster Car Seat, 2024, Marley

Condition: Open Box The Graco Tranzitions 3-in-1 Harness Booster Car Seat is the perfect tool for busy parents to protect your child from toddler t...

View full details
Open Box
Only 1 left!
Shop Safety 1st Comfort Ride Lite Booster Car Seat, Pure Black, 2024 at GoodBuy Gear
Save 49% Save %
$17.99
$17.99 - $17.99
$17.99
$34.99
$34.99 - $34.99
$34.99

Safety 1st Comfort Ride Lite Booster Car Seat, Pure Black, 2024

Condition: Gently Used Lightweight backless booster designed for toddlers weighing 40–100 lbs. and measuring 43"–57" tall. The ergonomic, contoured...

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Gently Used
Only 1 left!
Shop Graco TurboBooster Stretch2FIT Booster Seat, 2023, Ainsley at GoodBuy Gear
Save 57% Save %
$43.16
$43.16 - $43.16
$43.16
$99.99
$99.99 - $99.99
$99.99

Graco TurboBooster Stretch2FIT Booster Seat, 2023, Ainsley

Condition: Barely Used This booster offers easy adaptability with 9 adjustable back and headrest positions for growing children. With breathable Ai...

View full details
Barely Used
Only 1 left!
Shop Graco TurboBooster Stretch2FIT Booster Seat, 2022, Spencer at GoodBuy Gear
Save 57% Save %
$43.16
$43.16 - $43.16
$43.16
$99.99
$99.99 - $99.99
$99.99

Graco TurboBooster Stretch2FIT Booster Seat, 2022, Spencer

Condition: Barely Used This booster offers easy adaptability with 9 adjustable back and headrest positions for growing children. With breathable Ai...

View full details
Barely Used
Only 1 left!

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