High-quality material Tarp clamp made of high-strength nylon material, waterproof, weather-resistant, tear-resistant, lightweight and durable. Ball bungee cords made of high-quality rubber, long-lasting and fray resistant. Strong grip power Tarp clips designed with adjustable spiral thumb screws, easily used by simply tightening or loosening the screw knobs, alligator mouth with teeth holds tarps much more stable to provide excellent clamping pressure control without damaging the fabric. Durable Bungee Cord Flexible Nylon elastic bungee cords with a plastic ball, and have strong elasticity, durable and wear-resistant, the reasonable size of the plastic ball can firmly fix the object. Ideal for fixing tents, car covers, boat covers, swimming pool covers, etc. Wide application Ideal for outdoor camping tents, awnings, caravans, tarpaulins, canvas, awnings, boat covers, swimming pool covers, temporary coverings or any fabric that requires extra support points. Perfect collocation You will get 12pcs tent clips and 12pcs bungee ball cords, the quantity is sufficient to meet your daily needs. Simply pull the loop through a grommet/eyelet and then lock it over the ball to use, the ball bungee cord fits through the eyelets of most tarpaulins, canopies and tents.