These neoprene sheets consist of closed cell rubber sponge. Closed cell sponge rubber is created by distributing gas through the rubber during production, creating sealed air pockets within the rubber
Rubber-Cal Closed Cell Sponge Rubber Neoprene 5/8 in. x 39 in. x
Rubber-Cal Closed Cell Sponge Rubber Neoprene 1 in. x 39 in. x 78
Rubber-Cal 02-128-0500 Closed Cell Rubber - 1/2 Thick
Rubber-Cal Closed Cell Sponge Rubber Neoprene 1 in. x 39 in. x 78 in. Black Foam Rubber Sheet 02-128-1000 - The Home Depot
7010330469 3M Scotch-Weld Plastic & Rubber Instant Adhesive PR40
Rubber-Cal Closed Cell Polyethylene 1-in T x 39-in W x 6-ft 6-in L
Closed Cell Sponge Rubber Blend 3/32 in. x 39 in. x 78 in. Black
Rubber-Cal Closed Cell Rubber Neoprene - 39 x 78 - 8 Thickness
Nisorpa Neoprene Rubber Sheet Roll 1/8 Thick, Rubber
Herco 1/2 in. Thick Adhesive-Backed Closed-Cell Neoprene Sponge
Closed Cell Rubber - Blend w/ PSA
Closed Cell Neoprene Sponge Rubber Foam Sheet 1/8 x 40 x 42
Rubber-Cal Closed Cell Sponge Rubber Neoprene 1 in. x 39 in. x 78 in. Black Foam Rubber Sheet 02-128-1000 - The Home Depot
Herco 1/2 in. Thick Adhesive-Backed Closed-Cell Neoprene Sponge