Carver Boat Cover Tie Down Kit. Constructed of heavy-duty 1 black polypropylene webbing and convenient quick release buckles. Unlike bungee cords these durable tie downs dont stretch so they wont tear your cover or damage your boat. Each kit contains twelve 8' straps. Features of Carver 61000 Boat Cover Tie Down Kit Effective way to secure your boat cover when trailering Constructed of heavy-duty 1" black polypropylene webbing and convenient quick release buckles Tie downs don't stretch so they will not tear your cover or damage your boat Each kit contains twelve 8' straps Package Contents: Carver 61000 Boat Cover Tie Down Kit Carver 61000: Boat Cover Tie Down Kit