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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 %
$93.75
$93.75 - $93.75
$93.75
$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, 2024, Proof at GoodBuy Gear Save 26% Save %
$89.29
$89.29 - $89.29
$89.29
$119.99
$119.99 - $119.99
$119.99

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

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
in stock
Shop Graco Tranzitions 3-in-1 Harness Booster Car Seat, 2023, Marley at GoodBuy Gear Save 22% Save %
$93.75
$93.75 - $93.75
$93.75
$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...

View full details
Open Box
in stock
Shop Graco TurboBooster Stretch2FIT Booster Seat, 2022, Spencer at GoodBuy Gear Save 40% Save %
$59.84
$59.84 - $59.84
$59.84
$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 Stretch2FIT Booster Seat, 2023, Ainsley at GoodBuy Gear
Save 43% Save %
$56.85
$56.85 - $56.85
$56.85
$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 Chicco MyFit Harness + Booster Car Seat, Iron, 2025 at GoodBuy Gear
Save 21% Save %
$188.99
$188.99 - $188.99
$188.99
$239.99
$239.99 - $239.99
$239.99

Chicco MyFit Harness + Booster Car Seat, Iron, 2025

Condition: Open Box The harness and booster car seat is expertly designed for children's safety and comfort. With DuoGuard head & torso protect...

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Open Box
Only 1 left!
Shop Graco TurboBooster Stretch2FIT Booster Seat, 2022, Ainsley at GoodBuy Gear
Save 43% Save %
$56.85
$56.85 - $56.85
$56.85
$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!

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