New Thule 854 Water Slide Kayak Carrier Accessory Mat OSFA Black No ear pads. 55mm or 58mm 34 28:Black 55mm or 58mm Fully Composite Design Precision Molding Technology Consistent Performance Throughout the Barrel and No Dead Spots Seamless Construction Provides Uniform Strength and Fine Tuned Performance Ultra Balanced Feel Up to 38% Swing Weight Reduction on Average Thule Racks Covers vehicle below rear kayak saddles to protect your paint jobs when loading a canoe or kayak onto a roof rack Non skid underside and two bar straps hold mat in place while loading and unloading Smooth top surface protects the boat and vehicle in case of contact Universal straps wrap around any and all styles of roof rack bars Dimensions: 36" L x 24" W