Ideal for pontoon boat trailers, BunkEnder Trailer Pads mount directly to the high-wear area at the end of your trailer bunks. They're specially designed to protect the carpet while you launch and load your boat. BunkEnder pads are made from a slippery plastic composite. 8"L x 3"W pad fits 4" to 6" wide bunks. Kit includes 2 BunkEnder Trailer Pads and mounting screws. Not recommended for boats with painted bottoms or fiberglass boats weighing more than 1,500 lbs. Five-year warranty.