Features1. Scalable And Large Capacity: This oversized travel backpack with expandable features provides you with greater packaging capacity. Open the zipper to obtain large storage space, which allows for easy placement of packaging boxes, makeup bags, clothing, camera bags, and equipment. It is very suitable for men, women, weekend travelers, or occasional vacationers. This multi-functional luggage backpack also meets the portability requirements of airlines such as EasyJet and JetBlue.2. Convertible Design: This backpack features a hidden padded shoulder strap design that can be easily stored in a zippered back panel, transforming this vacation backpack from a carry on bag style to a briefcase style, providing you with a more flexible carrying experience. The luggage strap on the back is designed to accommodate luggage/suitcases, making it easy to carry on international travel or cruise ships.3. Convenient To Carry: Due to its adjustable shoulder straps and comfortable breathable mesh back panel, the luggage backpack is lightweight to carry. The best gift choice for Thanksgiving, Christmas, New Year, and Valentine's Day, also as a gift for travelers4. Specially Designed For Travel: The front cabin can accommodate small equipment such as mobile phones and headphones. The interior of the large pocket has compression elastic straps. The padded shoulder strap includes a sternum strap that can be adjusted up or down, passing through the chest to reduce shoulder weight. It's the best gift for dad.5. Durable And Durable: This large travel backpack is made of waterproof lightweight polyester fiber, and the zipper head can be locked. Can survive at different temperatures. The sturdy zipper and appropriate stitching make this bag sturdy and durable.SpecificationMaterial: Oxford ClothColor: Black, GreenSize: 50 x 33 x 19 cmWeight: 1200 gPackage Include:1x Carry On Backpack