- Anti-theft laptop backpack: Laptop compartment padding measures 43 x 28 x 16 cm (16.93 x 11.02 x 6.3 in, H x L x W) and fits a 15.6 inch laptop. Good for work or travel and can easily fit under an airplane seat. - Great carrying system: Durable backpack with breathable mesh shoulder straps to reduce sweat, plus sponge padding to relieve shoulder strain. Adjustable straps for a comfortable fit. Inner lining is double stitched to resist loose threads and accommodate items such as computer, phone, wallet, passport, keys, college supplies, travel accessories, clothes, stationery, notebooks, and more. - High quality: Made of waterproof, scratch-resistant, anti-tear oxford fabric. Double-sided smooth zippers and reinforced stitching for lasting durability. Suitable as an office business laptop backpack, outdoor laptop rucksack, or college/high school bag. - Multipurpose design: Ergonomic and comfortable for daily wear. Built to keep items tidy and to simplify airport security checks. The large 15.6 inch laptop backpack is a versatile companion for outdoor and indoor activities and daily use, including camping, hiking, vacations, travel, trekking, mountaineering, weekend getaways, and overnight trips. - Use scenarios: Ideal for daily office commuting with laptop and documents; travel and business trips with under-seat storage; and outdoor activities such as camping or hiking.