Dimension:45 cm*36 cm*20 cm/17.71 "*14.17 "*7.87 ".The size fits the airline's smart scanning requirements, so you can get on the plane without check in Comfortable and sturdy:The backpack is made of strong, tear-proof, waterproof and durable polyester material. The back is comfortable and breathable and will not feel stuffy. The shoulder straps are padded and widened so you won't feel tight. Wear-resistant, waterproof and breathable are the features of our travel backpack, a must-have for your travel Large Capacity For Easy Carry :This backpack has a lot of compartments. The main compartment can hold 4 tops and 4 pairs of pants.Side pockets can hold water glasses 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, can put 1-2 people's clothes, suitable for 3-5 days of travel, so that you travel more light.Our mission is to make your travel easier Shoe Compartment : The shoe compartment is located at the bottom of the backpack, and the separate compartment is designed to be clean and sanitary, and will not stain clothes.The space is big 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 Wet Pocket Design:Our wet and dry separation layer is made of waterproof, wear-resistant fabric. As long as you put your toiletries in your pocket and zip them up, you won't be afraid to stain your clothes. If you accidentally squeeze the toothpaste out, don't worry, just wipe it down with a damp paper towel The size of the backpack is measured artificially, and there will be an error of 1-3 cm in the result, which is normal, and all effects are subject to the actual product received › See more product details