Sponge-Rez is a tough, clear, ultra-flexible resin forumlated to mend the most common types of catastrophes bodyboards are heir to; worn-out leash anchors, creased bottoms, delaminated decks, hulls or rails, sponge-deck (also known as rash-deck) and semi-fatal gouges. Sponge-Rez works on all types of bodyboard materials including Ethafoam