NoTrax T42 Standard PVC Safety/Anti-Fatigue Comfort Rest Ribbed Foam, For Dry Areas, 27" Width x 36" Length x 3/8" Thickness, Coal PVC 3/8-inches thick sponge, ribbed pattern anti-fatigue mat PVC sponge provides excellent support and comfort All four sides are beveled to minimize trip hazards Perfect anti-fatigue mat for dry applications Comfort rest ribbed foam has an embossed top surface that enhances the mats slip resistance