Amazon.com: Lazy Dog Warehouse Neoprene Sponge Foam Rubber Sheet Roll - 15in x 60in (1/4in Thick) : Industrial & Scientific
Closed Cell Neoprene Sponge Rubber Foam Sheet 1/8" x 40" x 42" (Grey): Amazon.com: Industrial & Scientific
Neoprene High Quality Foam Sheets | Foam Factory, Inc.
Sponge Neoprene Foam Rubber Sheet with Adhesive, 12 in x 60 in x 1/2 in Multi-Function Soundproof High Density Waterproof Rubber Mat, Perfect Cosplay Easy Cut DIY Neoprene Padding Roll - Black: