Large Backpack for Men, Waterproof Laptop Backpack 17.3 Inch School Backpack with USB Charging Port Anti Theft Business Work Travel Backpack for Teenage Boys Men (Black)

["17.3-inch Multifunctional Large Capacity and Organized Storage: Upgraded with five layers of large compartments and over 15 independent pockets. Includes: main large capacity pocket, independent computer compartment, multifunctional storage layer, front zipper layer, top pocket. This laptop backpack can accommodate a 17-inch computer. Efficient storage and careful classification.", "Durable, Abrasion-resistant, and Scratch-resistant: The outer layer of the men's backpack is made of newly updated Oxford waterproof fabric, with 210D polyester double-strand ripstop fabric as lining. The bidirectional smooth hardware zipper can withstand thousands of uses. The back of the shoulder strap is reinforced with multiple stitching points. Easy solution to quality problems.", "Comfortable Carrying Experience: Thickened and widened ergonomic shoulder straps can effectively reduce back pressure and protect the spine. The three-dimensional honeycomb back panel effectively ensures air circulation. The elastic decompression back design relieves pressure on the shoulders, allowing you to travel easily at any time. The perfect Christmas gift.", "Multiple Scene Usage: This men's backpack features a practical design with large capacity, stylish appearance, and exquisite sewing craftsmanship. Suitable for business backpacks, work backpacks, men's and women's travel backpacks, as well as school backpacks for boys and girls.", "USB Charging Port and Reflective Function: The laptop bag is equipped with a charging cable inside and a charging port outside. Feel free to ensure the battery life of your phone. The reflective strip design in the middle of the work backpack makes it difficult to get lost even in the dark."]