4 Pack, Clinch Tite Tarp Clip, Ultimate Locking Tarp Clip, Durable Nylon Construction, Crack Resistant In Freezing Temperatures, Good For Tarps, Pool Covers, Plastic Sheeting, Drop Clothes, BBQ Covers, Golf Towels, Boat Covers, Snack Bags, Powerful Locking Jaws Grip Materials Up To 1/4" Thick Without Holes Or Damage To The Materials, Slide Lock Enables Clip To Be Repositioned & Reused Repeatedly, Carded.