Suitable for Most Car Seats: Car seat bags for air travel with ideal size for infant booster seats or umbrella strollers, keeps car seats safe from the germs and grime of the loading bay and airport tarmac Durable Waterproof Material: Gate check bag for stroller is made from the oxford material, naturally mold and water resistant, giving long-lasting performance trip after trip Convenient to Carry: Our lightweight car seat bag can be fold into the attached carrying pouch quickly, which can then be tossed in to your trunk. Expanded size: 33.8 inch*16.9 inch*16.9 inch, storage size : 5.9inch*7.8 inch Release Your Hands: Our gate check bag backpack for car seats with shoulder straps, make your journey more simple Best Gift for Your Family: You'll never have to worry about a dirty or wet seat after you got this amazing bag.Note: Seat not included