Design: the clip has a crocodile mouth, the gear-like mouth makes sure that the clip bite the tarp tightly. Theres a hole on the other side which can connect metal button or rope. Easy installation: theres a screw on the clip which can control the tightness of the clip without any damage to the tarp. Wide application: Its widely used in tents, awnings, tarpaulins, caravans, canvas , boat covers, awnings, swimming pool covers, temporary shelters or any fabric covering that requires additional support points. Material: made of nylon, its sturdy enough to stand strong power, so can bear the pulling force and not easy to get loose after buckle it to tents. Small body and light weight, easy for storage and carrying. Value Pack: you will receive 12pcs tarp clips, which is sufficient for daily use. Lightweight and handy, easy for storage and carrying.