Folding: This backpack weighs only 0.45 pounds, which is half the weight of an ordinary hiking backpack. It is extremely lightweight. Fold it to the size of your hand and even put it in your pocket, so it's easy to carry. Durable waterproof material: High-density waterproof nylon material is selected to make it an excellent waterproof backpack for men, which can effectively prevent rain from wetting the items in the backpack, and its antifouling performance can effectively prevent rocks and branches from scratching the smooth and durable backpack. Large capacity and multi-compartments: You would never think that this little woman's travel bag has a capacity of 20 liters, which is enough to hold daily necessities such as clothes, shoes, umbrellas, etc. The multi-compartment makes it very convenient to organize things. The storage bag can not only store the folded backpack, but also be used to support the cup when the backpack is in use, thus effectively utilizing the space. [Versatility and convenience] It's a small travel bag when you go camping, a bicycle bag when you drive, a weekend bag when you travel, a popular backpack when you go to school and work, and a comfortable and sweaty shoulder strap, so that you won't feel painful. Tip: If there is a problem with our backpack, please contact us and we will solve it as quickly as possible. It is extremely lightweight. Fold it to the size of your hand and even put it in your pocket, so it's easy to carry. Durable waterproof material PERFECT GIFT