SeaDek Sheet Material is made from soft yet durable, non-absorbent PE/EVA blended foam material. This 39" x 77" sheet is 5mm thick and available in a variety of colors. Our sheet material is perfect for DIY projects. It can be cut with a sharp razor knife to fit a number of applications including seating, cooler tops, decking, and polling platforms. The possibilities are endless! SeaDek Sheet Material is backed with our 3M™ pressure sensitive adhesive to provide an easy peel-and-stick application.