Tenex Multi-Purpose Foam Pad 2 Ft. x 6 Ft. in the Craft Supplies department at Lowes.com
4" x 24" x 72" High Density Upholstery Foam Cushion (Seat Replacement , Upholstery Sheet , Foam Padding)Purchase
Foam Padding Sheet 3/4" Thick with Adhesive Backing Neoprene Insulation Foam High Density Stick Firmly for Furniture Cars Speakers 4 Inch X 4 Inch (4 Pcs): Amazon.com: Industrial & Scientific