MATERIAL AND SIZE: It contains no carcinogenic dyes. Oxford material, 43 x 33 x 14 cm, 821 g, for 15.6 screen planning capacity. ✅ QUALITY: Padded back panel, water-repellent lining, lining contains no AZO, and ergonomic shoulder straps ensure comfort overnight. ✅ COMFORTABLE AND ELEGANT: Ultralight, durable, and ingenious. Suitable for hiking, college, work, shopping, traveling, training, overnight stays, sports, cycling, mountaineering, etc. A great backpack for men, women, or travelers. ✅ HIGH DURABILITY: Robust backpack with technical specifications, including a USB port and cable. All application points are designed from dual angles. ✅ PERFECT GIFT