Rubber-Cal "Block-Grip" 4 ft. x 20 ft. Dark Gray Commercial PVC FlooringA resilient, 2 mm thick SBR and PVC rubber runner that is offered in numerous lengths and three colors Rubber surface flooring texture promotes safety by increasing traction in damp and even wet areas Ideal for gym floors, garage floors, industrial floor spaces, cellar floors, boat flooring and commercial safety floor covering Ideal non slip floor for seasonal use as waterproof flooring that can be rolled out during use and rolled up to be stored