GTS Pro Molded Foam Kayak Seat With Fishing Pack, Sit On Top Kayak Seat, Back Support Kayak Seat, Kayak Cushion Thermal formed kayak seat designed for kayak fishing. Easy access detachable zipper pack with two molded in fishing rod holders. Two inch thick thermoformed bottom pad for fatigue free kayak fishing. 2 straps in front, 2 straps in rear give a wide range of adjustability to accommodate most any kayak. Seat Back: 15L x 21W. Seat Cushion: 15L x 17W x 2H