SEADEK FOAM: Our speaker kits feature the same SeaDek Foam that you know and love. DURABILITY: Our speaker kits are designed to last. Featuring close-cell technology, these pads are desinged to not absorb water preventing wear and tear common with marine products. APPLICATION: Pressure sensitive adhesive for a robust bond and easy peel-and-stick application. Remove the plastic film back and apply. SINGLE SPEAKER KIT: This is one Tutle Box Speaker Kit. Genuine Seadek 6mm foam. (Speaker not included) Take your Turtle Box speaker to the "NEXT LEVEL" with these Genuine SeaDek Pads! Peel and stick pads to add color, and padding to your turtle box speaker. Closed cell EVA foam pads primarily used for marine flooring assures durability in the harshest environments.