Jack Skellington Backpack 16。Material: polyester. Size: 17x12x6.5in. With large capacit The backpack strap is ergonomically double coated and reinforced with adjustable shoulder straps. This provides the best comfort for your shoulders. The adjustable shoulder belt is very suitable for selecting the shoulder belt of the right length, so that the shoulder belt is close to the shoulder. Make your back feel more comfortable. When carrying, it can be comfortably placed on the back. Easy to carry notepad, card reader and a bunch of other items, iPad, diary, pen and pencil, Phone. There is a separate pocket inside, which is convenient for carrying a laptop. There is a pocket on both sides, which is convenient for placing water bottles, umbrellas and other items.