Thule 881 Top Deck Rooftop Kayak Carrier Custom designed saddle conforms to multiple hull shapes Maximum kayak protection with integrated rubber pads with large contact surface area Complete carrier for one boat includes four saddles, mounting hardware, heavy duty straps and ratcheting tie down lines. Fits Thule standard, Rapid Aero, Xsporter bars, Yakima and most factory installed racks Accommodates kayaks up to 36 wide and 75 lbs Requires Thule rack systems crossbars, round bars or factory racks . Carries 1 kayak and requires 1 person to load and unload