This Jackson Kayak hatch tub insert is designed to fit conveniently into the front hatch of Jackson's Coosa X and Knarr FD kayaks, providing a secure place for keeping your items while on the water. No installation is necessary, and it is equipped with a mesh soft plastic pocket for additional storage. To avoid any issues, we do not recommend leaving live bait or scented plastic lures in the tub. This tub's measurements are 16" long, 14" at the widest point, and 6" tall, and is made exclusively for Coosa X & Knarr FD models.