paulandstella has launched a series of backpacks for students and teenagers. Designed by the winning designers of the German Red Dot and iF Product Design Award, this collection is fully ergonomic featuring new unique belts with slings system to improve weight-bearing imbalance and reduce shaking; stepless strap adjustment system with 3D cut shoulder straps to provide good ridge protection, adjustable to fit for growth in rapid growing age; breathable and durable material, water-repellent, stain-resistant and easy-to-clean; LED safety light strips combine safety and comfortability for cycling or walking at night or in low-light, improving user safety; detachable waist belt can be turned into a separate fanny pack.