Amazon.com: Black Foam Sheet Self Adhesive Rubber Padding Neoprene Sponge Rubber Mat Padding Foam Rubber Sheet Insulation Rubber Foam Sheet (L:4in x W:4in x T:1/2in 8 PCS) : Industrial & Scientific
Amazon.com : AKOLAFE 30 Pack 10x8 Inch Foam Boards, 5 mm Thick Foam Core Board 1/5 Inch Black Foam Sheet, Black Polystyrene Poster Board Signboard for Presentations, School, Office & Art Projects : Office Products
High Density EVA Foam Sheets – CosplayPros
Black Polyurethane Foam Sheet - 3 lbs / cu. ft. - 3/4" Thick x 24" Wide x 72" Long