Sturdy Instant Anchor: We use crocodile mouth for clips to create an instant anchor point for attaching any standard rope without drilling holes in the tarp or cover. < p>Easy to Use: The unique sliding lock design makes it easy to tighten and loosen on thick or thin tarps. Unique Design: The serrated crocodile mouth design makes the teeth more stable. Even if it is a strong storm, it is safer to prevent the tarp from falling. Wide Use: Tarp clips are ideal for outdoor camping tents, awnings, caravans, tarps, tarpaulins, awnings, boat covers, swimming pool covers and more. Note: The data is all manually measured, please allow an error of 1-3 cm due to light and display differences, there may be color differences, please refer to the actual object received.