Closed cell EFP30 polyethylene foam roll - rigid, non-absorbent, waterproof, thermal Complete with self-adhesive backing 200 centimetres x 20 centimetres x 5mm thickness, in black or white, please choose from the drop down lists above. Very strong and resilient chemically cross linked foam. Rigid and perfectly suited for many industrial and commercial applications including Shock absorbing, Packaging, Buoyancy aids, Thermal insulation, Kneeling pads, Kayak Outfitting, as well as Acoustic sound proofing.