The Hobie Fish Bag Cooler is constructed of the highest quality materials on the market: half-inch closed cell foam for insulation, vinyl coated polyester for durability and YKK zippers for reliability. Keep things icy-cold all day, even in extremely hot conditions! This large cooler bag features three handles for easy carrying, three d-rings on each side for tying down to the kayak, and adjustable bungee cord for storing additional gear on top of the bag.