New Cosco Topside Backless Booster Car Seat (Leo)
Delivery in 8–14 Business Days.
processed within 1–3 business days
30-day return policy
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Brand new, open box item. The box may have some damage but the item is unaffected.
The Cosco Topside Backless Booster Car Seat offers a simple and comfortable solution for growing kids ready for a seatbelt-positioning booster. Designed for children ages 4 and up, weighing 40–100 lbs and measuring 43–57 inches tall, this lightweight booster adds the right amount of height to ensure proper seatbelt placement. Its extra-plush padding provides a cozy ride, while the vehicle-friendly design protects your car seats from marks or indentations. Ideal for busy families, this booster is easy to move between vehicles and includes a hand-washable fabric cover for easy care.
- BOOSTS FOR PROPER FIT: Elevates kids 40–100 lbs and 43–57" tall. Helps position seatbelts correctly for enhanced safety and comfort.
- TRAVEL-FRIENDLY DESIGN: Weighs just 3 lbs and moves easily between cars. A great option for carpooling, road trips, or everyday use.
- COZY RIDES AHEAD: Features extra-plush padding for added comfort. Keeps kids happier during short drives and long journeys alike.
- CAR INTERIOR SAFE: Designed to prevent scuffs and marks on your vehicle’s seats. A thoughtful choice for preserving car upholstery.
- EASY TO CLEAN: Comes with a hand-washable fabric cover. Makes maintenance quick and simple for busy parents.
Processing Time: Orders are processed within 1–3 business days. No shipments on weekends or holidays.
Shipping Costs:
Free shipping on all orders.
Delivery Time: Estimated delivery time is 6–11 business days.
Tracking: A tracking number will be provided once your order ships.
Address Accuracy: Ensure your shipping address is correct to avoid delays.
- Return Eligibility: Returns can be made within 30 days if the item is unused and in original condition.
- How to Return: Contact us at info@isnib.com with your order number and reason for return.
- Return Shipping: Customers pay for return shipping unless the item is damaged or incorrect.
- Refunds: Refunds are processed to the original payment method after inspection. Allow 7 business days.
- Exchanges: We replace items only if they are defective or damaged.
Damaged or Incorrect Items
Contact us within 7 days of receiving damaged or incorrect items for a free replacement or refund.
Everything You Need To Know
Product FAQ
Everything You Need To Know
Product FAQ
Every product page lists what’s included (car seat shell, base, manual, etc.). If packaging is imperfect, accessories may vary - check the “Includes” section and condition notes.
If it’s new or open box, manufacturer warranty may apply - the product description will note this. For gently used/floor models, warranty may not apply, but we test functionality before listing.
Any wear is noted on the product page. Most items ship in the original box; some Floor Model/Gently Used items may not. Check the first line of the description for packaging details.
Once the order has shipped, we cannot cancel or change the address. If you reject a shipment delivery without prior approval, shipping fees may be deducted at refund.
Contact us to initiate a return. We’ll send a shipping label. Items must be returned within 4 days of receiving the label and in the same condition. Refunds processed after inspection (can take up to 7 days).
On delivery, check that you received all parts/accessories listed in the product description, inspect for any damage or discrepancies, then contact us promptly if something is missing or not as described.

