Use as a replacement seat pad, or for new installation. This pad is common on the Mad River Adventure 14 and 16, and Destiny canoes. May also be found on some Wilderness Systems brand sit-in kayaks, such as the Pamlico 100 and the Perception child's kayak Prodigy XS. Can be used on many makes and models of kayaks, at the users discretion. Seat pad is 16 in. by 11 in. One half inch thick. Back rivet holes are approximately 9 inches on center.