【Large Travel Backpack】This daily backpack is easy to carry, with breathable and adjustable shoulder straps, making it more comfortable to carry and reducing the burden on your shoulders when traveling. You can put it in your suitcase when you travel. The smooth double zipper makes it more convenient and easier to take and put things in. It is also strong, stable, and does not fade. 【Suitable Capacity】This travel backpack has a reasonable capacity and can store all necessities without being too heavy. Generally speaking, a backpack with a capacity of 30-40 liters is a good choice and can meet most travel needs. 【Waterproof and Anti-theft Design】(1) The zipper pocket on the back of the backpack can protect your valuables such as mobile phones, passports, wallets, etc. from being stolen when you travel or stand in line; (2) Waterproof polyester material can protect your items from water intrusion. (3) The ergonomic airflow design on the back and the thick and soft multi-panel ventilation increase support and comfort. 【Multifunctional Backpack】This backpack can be carried with you, convenient for commuting to and from work and school, easy to store, casual style, suitable for daily travel, commuting, business trips, outdoor activities, shopping, school, and is a unique gift for students, youth, men, and women. 【Spacious】External dimensions of the large backpack: (W*L*H) 42*30*15 cm