Expedition Kayak Seat 20" High Back Support with Lumbar Roll and nylon gel seat bottom for kayaking comfort Reinforced back with 2 battens for structure and strength. Easy to install. Waterproof fluidized gel seat cushion with welded construction. Seat cushion is 1" thick for low profile and better stability. Bungee net on back of seat for gear storage. 4 adjustable straps for fitting to your kayak with corrosion resistant swivel clips 2 built-in water bottle holders. Made with heavy duty fabrics in the USA