Durable material: The tarp clip is made of PA material, which has a certain thickness, is strong and durable, is not easy to break, and can be used for a long time. Super Retention: Heavy-duty tarp clip is designed with thumbscrews to tighten the jaws, which can firmly hold the tarp even in heavy storm. Tarp Clip Size: 3, 2 inches long and 1 inch wide. The chin opens approximately 1.1 inches and the hole diameter is 0.39 inches Easy to use: just tighten or loosen the knob to install or remove easily. The teeth inside hold the tarp firmly, but will not tear it or damage it. Wide range of uses: tent clips are very suitable for temporary protection of tarps, awnings, rain covers, car/truck covers, bike covers, boat covers, pool covers, sun shades, temporary projection screens, sofa covers, BBQ covers, hammocks Rain cover, etc.