【Large Backpack】 This everyday backpack is easy to carry, has breathable and adjustable shoulder straps for more comfortable carrying and reduces the burden on your shoulders during travel. You can put it in your luggage when you travel. Smooth double zippers make it more convenient and easy to access your belongings. And it is robust, sturdy and does not fade. 【Suitable Capacity】 This travel backpack has a reasonable capacity to store all necessary items without being too heavy. Normally, a backpack with a capacity of 30-40 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 stand in line; (2) Water-repellent polyester material, can protect your belongings from water penetration. (3) Ergonomic airflow design on the back, thick and soft multi-panel ventilation padding, increases support and comfort 【Multifunctional Backpack】 This backpack can be carried with you or to work and school, can be easily stored, relaxed style, suitable for daily travel, commuting, business trips, outdoor activities, shopping, school, unique gifts for students, youth, men and women. 【Spacious】 the large backpack's outer size: (Width*Length*Height) 40x20x25 cm.