Razorback™ w/ Dyan-Shield® is an anti-fatigue mat that is designed to provide traction with its wide ribs that run from side-to-side allowing for sure footing and is easy to sweep clean. The Notrax® exclusive Dyna-Shield® PVC sponge is manufactured with a tough protective top layer that provides long lasting wear and outperforms the competition in tear resistance and tensile strength. Designed for use in medium duty dry work areas.