Product Details:• Material: Composite nylon• Lining: Polyester• Total Size:(LxWxH) 21.7x13.8x6.3 inch/55x35x16cm • Color: Black• Package Content: 1x BackpackDescription:Large Capacity: The Laptop Backpack has a large main compartment, a dedicated 17.3" laptop protection compartment, and more than 5 pockets, including side mesh and front pockets for bottles. The Computer Backpack can easily store gear, books, and travel items. Fashion Design: The Gym Backpack is made of good-quality nylon fabric. The smooth fabric and lines, combined with black adjustable buckles, make this Travel Backpack look a fusion of business and leisure style. It can be paired with formal suits, but also with casual or even sports suits Lightweight Backpack: The work backpack features widened and thickened ergonomic shoulder straps, and it weighs only 0.7 kg. It can reduce the load's weight to a certain extent. The arc-shaped pressure design at the bottom of the shoulder straps eliminates red marks on the shoulders. The adjustable chest strap prevents the backpack from shaking when running or in a hurry TSA-Friendly: The size of the Casual Daypack for women and men is 21.7 x 13.8 x 6.3 inches (55 x 35 x 16 cm), meeting airline carry-on requirements. It can reduce the time needed for checking in luggage and the cost of oversized baggage. Effortlessly glide through airport security checks and boarding gate Water-Resistant: College Backpack is coated with a durable waterproof coating that water-resistant, morning dew, keeping the items in backpack dry even after a 15-minute walk in the drizzle. he reinforced zipper and abrasion-resistant bottom ensure long-lasting durability, making it perfect for everyday use