Make sure this fits by entering your model number. ✈Expandable & Large Capacity: This large travel backpack with an expandable design gives you a greater capacity of up to 40L. Unzipping to get larger storage space, you can easily fit 3-7days travel gears. The carry on backpack meets the maximum size allowed by IATA flights, can be fitted overhead and under-seat, is ideal for a weekend trip, business trip. The TSA 180 degree zipper closure helps you go through the security check quickly ✈ Convenient Design: This carry on travel backpack is designed with hideaway padded shoulder straps which can be hidden away in the zippered back panel when not using. Two padded handles on the top and the side are designed to lift the backpack from multiple angles, provide you more flexible carrying experience such as carrying like a suitcase or a backpack. A luggage strap on the back is designed to fit on the luggage's handle, for easier carry on international travel or back to school