Made from 100% recycled PET bottles (rPET), with a coating that is 100% free of PFC and PVC. Height-adjustable carrying system with infinitely adjustable shoulder straps via a rotary mechanism inside the school backpack. Thanks to the Easy Grow System, the backpack can be quickly adjusted to the child's height, allowing it to grow throughout their school years. The back padding is made of soft air mesh for a comfortable wearing experience. Ventilation chambers in the form of a 3-point support surface ensure optimal air circulation. Reflective strips on the front, sides, and shoulder straps. Features adjustable padded S-shaped shoulder straps, load adjustment straps, a height-adjustable and detachable chest strap, and a detachable hip belt. Side compression straps, a spacious front pocket with a zipper, 2 large main compartments with an integrated book compartment, and a large organizer pocket for notebooks and folders. Attachment option for COOCAZOO® tablet or laptop bag (11"). Round arch zipper, 2 side mesh pockets, and 2 attachment straps on the front to secure a skateboard, jacket, helmet, or neon pullover. Padded and stable backpack bottom, hanging loop, padded carrying handle, reflective loop for an LED clip light on the front, loop for a tag, and a replaceable hand patch. Water-repellent, volume 30 liters. Dimensions: W 300 x H 440 x D 230 mm. Weight: approx. 1.25 kg. Warranty: 4 years. Sustainability eco:plus: recycled components, environmentally friendly packaging. Certificate: bluesign®.