AMGSH Sponge Neoprene with Adhesive Foam Rubber Sheet, 1/4" T x 12" W x 54" L...
The dense, closed-cell structure provides excellent soundproofing, vibration damping, and thermal insulation. 1 Roll of 1/4" Thick x 12" Wide x 54" Long (4.5 Sqft) Sponge Neoprene With Adhesive Foam Rubber Sheet.