Height adjustable directly on the back, made from 100% recycled PET bottles including 2 patches for individual design. The Coocazoo Porter Blue Motion school backpack - the spacious all-rounder. The Coocazoo school backpack Porter Blue Motion offers enough space with its 30 + 5 litre volume, which divide into three large main compartments with integrated book compartment, an organiser compartment and the spacious front pocket and weighs only approx. 1350 grams. The two side pockets offer additional space in which the water bottle or umbrella can be stored. In addition, the Coocazoo backpack impresses with the easy-grow system. Thanks to this system, the shoulder straps can be freely adjusted in height, so the school backpack grows from approx. 140 to 176 cm. The height-adjustable chest strap, the removable waist belt and the padded, S-shaped shoulder straps also ensure ergonomic comfort. Light strips and reflective surfaces ensure more safety in the dark and on the way to school. An LED light can also be attached to the reflective loop. In terms of stability, the Porter Blue Motion impresses with a sturdy, padded base. How to adjust the Porter Blue Motion backpack? The shoulder straps of the Coocazoo Porter can be easily adjusted to the appropriate size. Only a few steps are required: simply open the flap inside the backpack. Pull the swivel handle upwards. Turn the handle left or right and adjust it individually. The shoulder straps then adjust automatically. What does the Coocazoo Porter Blue Motion weigh? The Coocazoo Porter Blue Motion has a weight of approx. 1350 grams. How much volume does the backpack offer? With a volume of approx. 30 litres, which can even be expanded by 5 litres, the Porter from Coocazoo is extremely spacious and offers enough space for all school items. What are the straps on the edge for?