The surface of the bag uses fluorescent strips to warn children in the dark and reduce the risk of children's trips | High quality fabric: high density waterproof nylon, water resistant, wear resistant and durable | Large capacity: one main bag, two secondary bags, two side bags for storing books and items | Comfortable and breathable: widened and ergonomic sponge shoulder strap, elastic sponge lining to reduce shoulder pressure | Specifications: blue color, dimensions 32 x 16 x 40 cm