Large Capacity: This men's business travel backpack measures 44 x 15 x 29 cm and has a 20-liter capacity. It features a separate padded laptop compartment that safely fits 13-, 14-, and 15-inch laptops. Multiple Pockets: The spacious main compartment provides room for daily essentials, work items, travel gear, or school supplies. Two front pockets can store small items such as pens, wallets, cardholders, and mobile chargers. Two side pockets are ideal for umbrellas, water bottles, tissues, and other accessories, helping keep your belongings organized and easily accessible. Material and Performance: This unisex backpack is made from high-density, lightweight, durable, tear-resistant, odor-free, and waterproof polyester, helping protect your items from moisture during travel. The alloy zippers are durable and rust-resistant. The shoulder straps feature a mesh layer, sponge layer, and foam padding, ergonomically designed to reduce weight and ensure good breathability. Well-Crafted with Double Theft Protection: The backpack includes thick back padding for added support and comfort. A trolley strap on the back allows easy attachment to luggage, reducing carrying strain. The main compartment is secured with a drawstring closure, while the backpack cover and buckles are designed to be waterproof and theft-resistant. Every detail is carefully crafted to enhance durability, safety, and long-term use. Versatile Use: This waterproof travel backpack offers comfort and durability for daily use and travel. It is suitable as a camping backpack for women, a school bag for boys, a lightweight men's backpack, or a business travel backpack. Equipped with side straps on the back, it can be hung on a luggage trolley, making it ideal for international flights and business trips. Color: Black Gray/Black. Large Capacity: This men's business backpack measures 44 x 15 x 29 cm with a 20-liter capacity and includes a separate padded laptop compartment for 13-, 14-, and 15-inch laptops. Multiple Pockets: The large main compartment holds daily essentials, two front pockets organize small items like wallets, and two side pockets fit umbrellas and water bottles. Durable Material: Made from high-density, lightweight, tear-resistant, and waterproof polyester. Alloy zippers are rust-resistant, and ergonomic straps provide comfort. Ergonomic Comfort: Breathable mesh fabric, sponge, and foam layers in the straps reduce weight and enhance ventilation, ensuring comfort even during extended wear. Double Theft Protection: Additional back padding offers improved support and security, helping keep your belongings safe during travel.