【Quality Material】Our schoolbags are made of waterproof nylon material, which is very durable and perfect for school kids. At the same time, the effect of light weight and waterproof is achieved, even in the rainstorm weather can that the contents of the bookbag are not wet by the rain. And the double slider zipper is easy to close and smooth【Unique Design】This backpack features beloved superhero elements from popular superhero movie series, inspiring kids to be brave and strong like their favorite superheroes. It makes a fantastic choice for personal use or as a gift, delighting children with its captivating design.【2-in-1 Backpack Set】This boys backpack set includes a spacious backpack and a matching pencil case. The backpack measures 15*11.8*7 inches, and the pencil case is 9 x 4 inches.This kids backpack offers diversified storage space to meet various needs. It includes a main pocket with an inner pocket, front pocket, and two side pockets, providing ample room for exercise books, stationery, cup, and umbrella. This backpack meets all daily requirements with ease.【Stress Relief Shoulder Strap】The special stress relief shoulder strap designed with a stress-reducing sponge which lets you not feel shoulder pain even if you are carrying a very heavy thing, it can make your spine and shoulders not affected, especially the growth and development of children is very good, and will not have physical health problems because of long-term backpacking.