Black Rubber Crumb Bed Liner Additive Non-skid additive;Stretches material square footage;Non-abrasive to skin and contact;Great for flooring or for users looking for aggressive textures;Green friendly, made from recycled tires Als Liner Als Liner Black Rubber Crumb Bed Liner Additive - ALS-RC ALS-RC Do-It-Yourself, Spray-On / Roll-On Bedliner Kits and Accessories