The transparent school rucksack has a solid shape and can be opened with a simple one-finger handle. The inside is tidy and even messy children have a clear view. The ergonomic "Your Size System" can be adjusted in height and adapts to the child's back. 5-piece satchel set from Ergobag consisting of satchel, sports bag, pencil case, pencil case (22 pieces) and 5-piece Kletties set. The ergobag Cubo satchel is ergonomic, individual, sustainable and visible from Year 1. Thanks to the wide pelvic fins, the weight is shifted from the shoulders to the stable pelvic area. As is popular with ergobag, the Kletties allow the cubo to be customised. Ergobag uses recycled PET bottles for the production of the satchel to protect the environment. The matching safety set can be purchased in addition to the cubo satchel for even more safety on the road. It has a sturdy base. Movement and posture influence our body awareness and can promote personality development. Studies show that children who move a lot are more independent, sociable and motivated. The satchel supports the little wearer's freedom of movement, as it sits comfortably close to the back thanks to the lap and chest straps, even when romping around.