father and son smiling at each other as child sits in booster seat

Booster Car Seats

Cosco Kids booster car seats offer top-notch safety and comfort. Perfect for growing kids on the go.

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7 products
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Topside Booster Car Seat
$22.99
Rainbow Topside Booster Car Seat - Rainbow Grape Topside Booster Car Seat
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Pronto!™ Trend Belt-Positioning Booster Car Seat
$44.98
Sonic Diamonds Pronto!™ Trend Belt-Positioning Booster Car Seat - Sonic Diamonds Spindrift Pronto!™ Trend Belt-Positioning Booster Car Seat Violet Diamonds Pronto!™ Trend Belt-Positioning Booster Car Seat - Violet Diamonds
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Finale 2-in-1 Booster Car Seat
$49.97
Fiberwave Finale 2-in-1 Booster Car Seat - Fiberwave Peony Tiles Finale 2-in-1 Booster Car Seat - Peony Tiles RealTree Edge Finale 2-in-1 Booster Car Seat - Real Tree Raceway Finale 2-in-1 Booster Car Seat Diamond Daze Finale 2-in-1 Booster Car Seat Braided Twine Finale 2-in-1 Booster Car Seat + 3 more
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Rise LX Booster Car Seat
$19.98
Cameo Rose Rise LX Booster Car Seat - Cameo Rose Fossil Back Rise LX Booster Car Seat - Fossil Black
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Finale DX 2-in-1 Booster Car Seat
$74.99
Dusk Finale DX 2-in-1 Booster Car Seat - Dusk Organic Waves Finale DX 2-in-1 Booster Car Seat - Organic Waves Rainbow Finale DX 2-in-1 Booster Car Seat - Rainbow
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Rise LX Booster Car Seat Replacement Seat Pad
$9.99
Country Blue Rise LX Booster Car Seat Replacement Seat Pad
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Topside Booster Car Seat
$19.99
Black Gem Topside Booster Car Seat Navy Gem Topside Booster Car Seat Purple Gem Topside Booster Car Seat