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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 TurboBooster Backless Booster, 2022, Gust at GoodBuy Gear Save 61% Save %
$13.53
$13.53 - $13.53
$13.53
$34.99
$34.99 - $34.99
$34.99

Graco TurboBooster Backless Booster, 2022, Gust

The Graco TurboBooster Tansy is designed for optimal safety and comfort, perfect for kids from 4 to 10 years old (40-100 lbs and 43-57 inches tall)...

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Open Box
Only 1 left!
Shop Cybex Solution G2 Folding High-Back Booster Seat, 2025, Almond Beige at GoodBuy Gear Save 33% Save %
$199.99
$199.99 - $199.99
$199.99
$299.95
$299.95 - $299.95
$299.95

Cybex Solution G2 Folding High-Back Booster Seat, 2025, Almond Beige

Condition: Open Box This child safety seat features a patented reclining headrest that enhances head protection by up to seven times. Its foldable ...

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Open Box
Only 1 left!
Shop Cybex Solution Z-Fix Highback Booster Seat, Stardust Black, 2025 at GoodBuy Gear Save 25% Save %
$224.99
$224.99 - $224.99
$224.99
$299.95
$299.95 - $299.95
$299.95

Cybex Solution Z-Fix Highback Booster Seat, Stardust Black, 2025

Condition: Open Box Keep your child safe from 3-12 years old in this extremely comfortable booster seat. It features a reclining headrest and backr...

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Open Box
Only 1 left!
Shop Cybex Solution G2 Folding High-Back Booster Seat, 2026, Moon Black at GoodBuy Gear Save 25% Save %
$224.99
$224.99 - $224.99
$224.99
$299.95
$299.95 - $299.95
$299.95

Cybex Solution G2 Folding High-Back Booster Seat, 2026, Moon Black

Condition: Open Box This child safety seat features a patented reclining headrest that enhances head protection by up to seven times. Its foldable ...

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Open Box
Only 1 left!
Shop Maxi-Cosi Tanza Belt-Positioning Booster Car Seat, 2025, Sea Drift at GoodBuy Gear
Save 25% Save %
$172.99
$172.99 - $172.99
$172.99
$229.99
$229.99 - $229.99
$229.99

Maxi-Cosi Tanza Belt-Positioning Booster Car Seat, 2025, Sea Drift

Condition: Open Box This compact booster seat accommodates children weighing 40–100 lbs. and standing 43.4"–57" tall, featuring a foldable design w...

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Open Box
Only 1 left!
Shop Cybex Solution G2 Folding High-Back Booster Seat, 2025, Moon Black at GoodBuy Gear
Save 33% Save %
$199.99
$199.99 - $199.99
$199.99
$299.95
$299.95 - $299.95
$299.95

Cybex Solution G2 Folding High-Back Booster Seat, 2025, Moon Black

Condition: Open Box This child safety seat features a patented reclining headrest that enhances head protection by up to seven times. Its foldable ...

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Open Box
Only 1 left!
Shop Evenflo GoTime LX Booster Car Seat, 2024, Terrain Pink at GoodBuy Gear
Save 25% Save %
$41.99
$41.99 - $41.99
$41.99
$55.99
$55.99 - $55.99
$55.99

Evenflo GoTime LX Booster Car Seat, 2024, Terrain Pink

Condition: Open Box Booster car seat for kids from 40-120 lbs with 7 height positions & 2 cup holders.

Open Box
Only 1 left!
Shop Cosco Kids Pronto Trend Belt-Positioning Booster Car Seat, Sonic Diamonds at GoodBuy Gear
Save 54% Save %
$24.99
$24.99 - $24.99
$24.99
$54.87
$54.87 - $54.87
$54.87

Cosco Kids Pronto Trend Belt-Positioning Booster Car Seat, Sonic Diamonds

Condition: Gently Used The adjustable headrest grows with your child, ensuring a snug fit for every stage of their journey. As they mature, simply ...

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Gently Used
Only 1 left!
Shop Cybex Solution G2 Folding High-Back Booster Seat, 2026, Moon Black at GoodBuy Gear
Save 21% Save %
$236.99
$236.99 - $236.99
$236.99
$299.95
$299.95 - $299.95
$299.95

Cybex Solution G2 Folding High-Back Booster Seat, 2026, Moon Black

Condition: Open Box This child safety seat features a patented reclining headrest that enhances head protection by up to seven times. Its foldable ...

View full details
Open Box
Only 1 left!

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