MATERIALNylon, it is sturdy enough to withstand strong power, so it can withstand the pulling force and it is not easy to come loose after attaching it to the tents. Small body and light weight, easy to store and carry EASY TO INSTALL AND REMOVEHeavy Duty tarpaulin clips are easy to install or remove, just tighten or loosen the knob screw to adjust thick or thin tarps SPECIAL DESIGNUnique alligator mouth with teeth makes dental occlusion much more stable. Never cut holes to attach tarps and awnings. Fixing the handlebars downwards, the clips are loosened on the tarpaulin without any problem. Unique Clamp Clamp Design manipulates the material directly for a strong hold WIND RESISTANTThese tent clips can withstand strong winds and waterproof. Small and lightweight, easy to carry and store, a pack of 15 can meet the needs of most tents WIDELY USEDCan be used in awnings, caravans, tarpaulins, tarpaulins , boat covers, suitable for outdoor camping, sailing or picnics, temporary shelters or any fabric covering requiring additional support points