Comfortable and Sturdy: The backpack is made of strong, tear-resistant, waterproof and durable polyester material. The back has a honeycomb design, ergonomic back airflow design. Comfortable and breathable, so you wont feel stuffy. The shoulder straps are padded and widened so you wont feel tight. Wear-resistant, waterproof and breathable are the features of our backpack, which is a must-have for your travel.Large Capacity for Easy Carrying: This backpack has many compartments. The main compartment can hold 4 T-shirts and 4 pairs of pants. The side pockets can hold water cups or umbrellas. There is a front pocket for cell phones, wallets and other small items, and an anti-theft back pocket for cash, cards and more. Large-capacity design, you can put clothes for 1-2 people, suitable for 3-5 days of travel, so you can travel lighter. Our mission is to make your travel easier.Wet Pocket Design: Our wet and dry separation layer is made of waterproof and wear-resistant fabric. As long as you put your toiletries in your pocket and zip it up, you wont be afraid of staining your clothes. If you accidentally squeeze out toothpaste, dont worry, just wipe it with a wet paper towel.Charging Port: First, you need to put the power bank into the backpack and connect the cable to the charging port inside the backpack. Then, you need to connect the cable to the charging port on the outside of the backpack and connect it to your phone. Whether you are walking, traveling, hiking or doing other outdoor activities, this convenient design will make it easier for you to move around.Shoe Compartment: The shoe compartment is located at the bottom of the backpack, and the separate compartment is designed to be clean and hygienic, and will not stain clothes. The space is large enough for a pair of US size 9 shoes. You can put sneakers, loafers, sandals or slippers. The shoe compartment also has two vents to keep the shoe compartment ventilated and odor-free.Dimensions: 31.8cm L x 19.8cm D x 41.9cm H, weight 1.1kg. The size fits the airlines smart scanning requirements, so you can board the plane without checking in.