Unique Tooth-Shaped Design: The tent clamp clip is designed as a crocodile mouth tooth-shaped locking clip, gear-like design can clamp the tent tightly, on the other side a hole can metal buttons or ropes to connect. 30 pieces Products: Our tent clamp set includes: 10pcs black tarpaulin clips, 10pcs D-shaped metal button and 10pcs black ball bungee cords, which are enough for your daily use. Lightweight and comfortable, easy to store and carry. Size of the clamp : approx. 8 x 2.7 x 3 cm. Easy to Install: You only need to grab the edge of the tarpaulin and clamp the tarpaulin directly, you can tighten or loosen the screw knob to adjust the adjust the strength of the clip, not easy to fall off. Finally fix with a tied rope. D-Shaped Metal Button and Bungee Cord: The high-elastic design ensures constant tension and stays tight. Simply thread the bungee cord or D-shaped metal button through the tent clamp hole to ensure the bearing firmly, you can attach to loops, poles, logs, ropes, props ect. Wide Application: Tarpaulin clips is specially designed for attaching tents, outdoor camping tents, awnings, caravans, caravans, parasols or picnics and many more. No need to break holes and damage the material, light and handy."