VNINE backpack for elementary school students, boys and girls, grades one to six, super light weight reduction for children

Size M: Material: Polyester/Synthetic Leather Size: 27*37*15cm(length*height*thickness) Weight: 0.83kg Handle height: 6cm Shoulder strap circumference: 45-85cm Gender: Unisex Capacity: 15L Product structure: 1 main compartment, 1 book compartment, 1 mesh insert pocket, 1 movable support bottom plate, 1 zipper bag, 1 covered insert pocket, 2 side pockets. Size L: Material: Polyester/Synthetic Leather Size: 31*41*16cm(length*height*thickness) Weight: 1kg Handle height: 6cm Shoulder strap circumference: 45-85cm Gender: Unisex Capacity: 20.3L Product structure: 1 main compartment, 1 book compartment, 1 mesh insert pocket, 1 movable support bottom plate, 1 zipper bag, 1 covered insert pocket, 2 side pockets.