Amazon.com: Foam Insulation Neoprene Sheets with Adhesive,Multi-Function Soundproof Large Marine Closed Cell Neoprene Rubber Roll (W:12 Inch T:1/4 Inch L:59 Inch,Black) : Industrial & Scientific
Foam Padding Sheets with Adhesive Backing - 1/4" Thick Self Stick Neoprene Insulation Foam,1/4 Inch Thick X 4 Inch Long X 4 Inch Wide (4, 1/4Inch x 4Inch x 4Inch): Amazon.com: Industrial & Scientific
Foam Padding Sheet 1/4" Thick with Adhesive,Adhesive Foam Pad,Closed Cell Foam Sheet Square Rubber Pad Anti-Slip 4" X 4" X 1/4" (6, 4Inch x 4Inch x1/ 4Inch): Amazon.com: Industrial & Scientific
High Density Foam | 1/4" Foam Padding – Midwest Fabrics
Rubber-Cal Closed Cell Sponge Rubber Neoprene 1/4 in. x 39 in. x 78 in. Black Foam Rubber Sheet 02-128-0250 - The Home Depot