Brand: Unbranded 【Large Travel Backpack】 The casual backpack is easy to carry, has breathable and adjustable straps for men for more comfortable carrying and reduces the burden on men during use. You can store your gear in it during your trip. Smooth double zippers make it more convenient and easier to carry your belongings. And it is sturdy, stable and does not fade. 【Sufficient Capacity】 This travel backpack has a reasonable capacity to accommodate all necessary items without being too heavy. Normally, a backpack with a capacity of 30 to 40 liters is a good choice and will meet most travel needs. 【Waterproof and Anti-theft Design】 (1) The backpack's back zipper pocket can protect your valuables such as mobile phone, passport, wallet from being stolen when you travel or wait in line; (2) Water-repellent polyester material, can protect your items from water ingress. (3) Ergonomic airflow design on the back, thick and soft multi-panel ventilation pad, increases support and comfort 【Versatile Backpack】 This backpack can be carried with you or to work and school, it can be easily stored, casual style, suitable for daily travel, unlocking, business trips, outdoor activities, shopping, school, unique gifts for students, youth, young people and women. 【Spacious】 The large backpack's external size: (Width * Length * Height) 47cm * 33cm * 20cm 18.5 \"* 13 \" * 7.9 \".