one size that is about half of the hand of an adult, can clamp a tarpaulin in maximum degree, great for outdoor use; lightweight but sturdyImproved tie-down design: our tent clips feature an inside round lock and an outside ring, novel flute tarp clips makes it more stable and safer to prevent the tarpaulin from falling; No need to create holes in the tarpaulin, easy to remove after use, leaving only a little wrinkle marks; Not suitable for thick fabric, better effect for lightweight tarpaulinUse instructions: take the circular part on the cloth and the outer ring under the cloth, use the groove and outer ring to clamp the cloth in the middle, easy to install, can provide great clamping pressure control to hold the tarp tightly without tearing or damaging it; A hole is provided on the rear end of the tent clip, can be attached to any standard cord, tether, hook or rope without having to cut any holes in the tarp or coverReliable quality: the tent trap clip is made of high-strength material, which is waterproof, weather-resistant, tear-resistant, lightweight and durable; Tarp clips can withstand low or hot temperatures, can bite on wet materials and ensure a reliable and additional fastening effectMultifunction snap clips: the clamp clamps are suitable for outdoor camping tents, awnings, caravans, tarpaulins, canvas, awnings, boat covers, swimming pool covers, temporary shelters or any fabric covering that requires additional support points, great for outdoor adventurers, campers and travelersColour:blackMaterial:plasticSize:84 x 47.3mmPackage Contents:20 * tent clipsOnly 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.