1. Material: plastic
2. Convenient to use, easy to assemble, will not puncture the tarp/tent
3. Compact storage design, meets 150 lbs side pull, durable
4. Multi-purpose use, wont pop out, can be pulled from any direction
5. Tarp fasteners can withstand 150- 200 lbs of pressure, ideal for camping
6. Safely and securely supports tarps, canopies, car covers and pool awnings
7. Size: about 9 x 7 cm
8. Weight: about 20g