The Thule Water Slide is a great accessory for any water sport carrier. It is a non-skid mat that protects your car from scratches or scrapes. The water slide has 2 straps that hook onto the back bar of your roof rack. The underside of the mat is non-skid, the top surface is smooth. Protect your kayak, canoe, surf board, and vehicle. Water Slide kayak mat is approximately 24 inches wide. Backed by Thule's Lifetime Warranty. Manufacturer's part number: 854
Works well. Because I have a sedan where the roof is far from the trunk edge, the water slide isn't long enough so I have to use bungee cords to connect it from the roof rack to the waterslide (so it stays in place when I load the kayak).