Nike Elemental Kids Backpack (20L) Whether it's rushing to class or hanging out after school with friends, this backpack has the space to tackle it all. This bag features a large side pocket for water bottles as well as a front pocket to store quick-grab items. Adjustable padded straps make wearing this bag comfortable and easy. Connected by a secure clip, the bag also comes with a large pencil case. Double zippers on the main compartment allow for easy opening. The haul loop gives you an alternate carrying option. 100% Polyester.