This casual backpack is made of high-quality polyester fabric and has wide and thick shoulder straps, which effectively distributes the pressure on the shoulders from the backpack and reduces the burden. The back of the backpack is made of breathable mesh fabric and is designed to fit the waist, making it comfortable to carry and not sticky even if you sweat. The backpack is soft and comfortable, and can effectively reduce vibration when traveling and protect the goods in the backpack. A large space backpack with various compartments, suitable for work, travel, mountain climbing, cycling or business trips, etc.