Polyester

?4 X 360° SILENT SPINNER WHEELS: YOREPEK car seat travel bag designed with four 360-degree spinner wheels, which makes you easily, multi-directional upright rolling without needing to tilt. Together with the reinforced handle and padded structure design, your baby car seat is more convenient to carry, push or pull in any direction with one hand.

?WIDE COMPATIBILITY: The car seat travel backpack has a size of 28 x 18 x 18 inches and can easily accommodate almost all major brands of infant car seats or smaller stroller. However, care should be taken to measure Evenflo/Maxi cosi/Diono Radian RXT size car seats.

?THICK PROTECTIVE PADDING : The inner wings, sides, top, back, carry handles and backpack straps are all thickly padded to provide the best protection for your valuable car seat . Adjustable padded backpack straps make car seat dolly for travel easier to carry and add breathability.

?DURABLE WATERPROOF MATERIAL：The car seat backpack is made of durable waterproof polyester fiber, and the baby car seat cushion is easy to clean. The car seat bag for air travel has 4 spinner wheels at the bottom to protect the child or infant car seat from the dirt of the airport terminal, and it can play a very good dustproof effects. Provides full wear protection for carseat travel bag by using innovative technology stitching for long-lasting durability.

✅SAFETY & SPECIAL DESIGN : There is a special backpack strap storage design at the back of the car seat roller for airport to avoid dragging backpack strap on the ground. Set double metal zipper, name tag pocket, elastic pockets on both sides, you can also easily pack or fold the car seat into a flat shape for next time.