1. [Alligator Mouth Unique Design] Plastic Tent Clips were design with unique toothed alligator mouth. Also it design with double-layer press. The super bite force makes the clips more stable and not easy to fall off. 2.[Unique locking mechanism] The tarp clips made of high quality PC. Durable and lightweight to carry. Simply pull up on the clamp to unlock or push down to lock and hold. 3.[Easy to install and remove] These type clips are easy to install or remove, just close the up end of the clips. Then the clips will strongly grip the tent. And if you want to remove the tent clips, just turn on the up ends. Then it will remove from the tent. 4.[Portable Size] The dimension of this tent clip is 33mmx13mmx10mm, lightweight and portable. Design with round hole on the allows you can stretch it with elastic rope or hook without any difficulty. 5.[Wide Application] These tarp clips are suitable for fixing tents, awnings, sunshades,canopy, curtains, postcards,etc.