Corrugated ribbed top surface of resilient SBR rubber is combined with dense closed cell foam base utilizing NOTRAX® exclusive UniFusion™ technology. UniFusion™ bond guaranteed for the life of the mat. Overall mat thickness is 1/2 inch. Sloped beveled foam on all 4 undersides affords easy access onto and off of mat. Now with RedStop™ to eliminate mat slippage. Black finish. 1/2" thickness. 60"L x 36"W overall. 1 Year Limited Warranty.