Made of nylon material, sturdy, not easy to break, waterproof compatible with a long-time use.With unique toothed alligator mouth that design makes improve the teeth more sturdy and stable.Adjustable helical thumb screws make the jaws can be opened to perfectly suit heavy duty tarps.Can be widely used in a variety of indoor and outdoor situations to fix small objects, as tent, shade cloth, canopy, tarp, etc.This tarp clips and cords kit , just tighten or loosen the screw knob to adjust on thick or thin tarps.Colour:Black+silverMaterial:nylonPackage Contents:10 x clips,10 x D-shaped buckles,10 x ropesOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.