AMGSH Sponge Neoprene with Adhesive Foam Rubber Sheet, 1/4" T x 12" W x 54" L, 4.5 Sqft for Weatherproofing,Gasket Seals, Crafts,Soundproof Padding, Vibration Dampening, Aquarium Leveling Mat. The dense, closed-cell structure provides excellent soundproofing, vibration damping, and thermal insulation.
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