School Backpack Mate - the versatile All Star. Easy-Grow System: infinitely adjustable shoulder straps via a rotary mechanism inside the backpack while the child is wearing it. Back padding made of soft air mesh and ventilation chambers for a comfortable carrying experience. Four compartments for all school supplies: two large main compartments with an integrated book compartment, an organizer pocket, and a spacious front pocket, perfect for a lunchbox. Reflective strips and surfaces for optimal visibility in the dark, with the option to attach an LED light for increased visibility. Easily personalize the school backpack: includes a Velcro patch, with additional Colour Up sets available for purchase, consisting of a patch and a pendant. There is an extra loop on the backpack for the pendants. Strap bands on the front for attaching a jacket, helmet, skateboard, or neon pullover set. Option to attach a tablet/laptop bag, which can be secured depending on size and backpack model to loops in the organizer pocket or with clips on the book compartment. 4 years warranty. Two outer pockets made of stretchable mesh material for water bottles. Padded, S-shaped shoulder straps with load adjustment straps for optimal fit to the back. Height-adjustable chest strap. Side compression straps to position weight close to the back. Removable hip belt. Padded carrying handle and additional hanging loop. Padded, stable backpack base. 100% PFC-free and bluesign® certified coating. 100% PVC-free. All textiles are made from 100% recycled PET bottles (34 PET bottles per backpack). Socially compatible and responsibly produced (bluesign® system partner).