1.Crocodile mouth design: these heavy-duty tent clips use a sliding lock design, allowing you to tighten and loosen the tarp clips to clamp various thickness tarps tightly; Teeth of clips are stable and safe, they can prevent the tarpaulin from falling; Warm note: especially suitable for thicker fabric, maybe a little loose for thin material. 2.Reliable quality: the tent trap clip is made of plastic material, it's waterproof, weather-resistant, tear-resistant, lightweight and durable; Tarp clips can withstand icy temperatures and bite on frozen or wet materials. 3.Easy to install: slide the lock to tighten or loosen the tent clip, can clamp the tarp tightly without tearing or damaging it; Instant anchors are provided on the end of the clip, easy to attach to most standard hooks or ropes, no need to hole on the cover. 4.Multiple usage: these clips are suitable for outdoor camping tents, awnings, caravans, tarpaulins, canvas, boat covers, swimming pool covers, temporary shelters and other fabric covers, etc., fit for outdoor adventurers, campers and travelers. 5.Strong Bearing Capacity & Reusable: Made of superior PP material, can bear large pulling force and not easy to loose after buckle it onto tents, small damage to the fabric. It is durable and can be used repeatedly.