Feature:Prevent water from intruding into the kayak and will keep you dry out on the water. These small plugs also can be used to plug the scupper holes in your sea kayak. Use material, durable and have longer service life than these similar products.Features- Color: Black.- Material: Rubber.- Size: About 3.60X3.10X3.10cm/1.41X1.22X1.22inch.- Lightweight, portable, strong and durable, essential kayak canoe boat accessories.- Great replacement accessories for kayak, canoe, fishing boat, and so on.- Good water resistant performance, easy to install in your kayak, allowing you stay dry while you are paddling.-The scupper stoppers can be used to plug the scupper holes in your ocean kayak. - Prevent water from intruding into the kayak and will keep you dry out on the water.Packing list4 x boat drain plug