Fastening to different models of motorcycles, by means of adjustable belts equipped with clamp closure to ensure that the tension is maintained. Reflective patterned prints for greater visibility. Side flaps covered in Hypalon, with straps for attaching the bags; they allow the load to be held and protect the bags in the event of a fall. Central straps for securing additional upper load, with clamp closure to ensure tension tightness. Non-slip material on the base.