NoTrax 620 Diamond Flex Lok Safety/Anti-Fatigue Floor Mat with PVC, for Wet/Dry Areas, 30" Width x 48" Length x 1" Thickness, Black/Yellow Black tiles and ramps made with 100 percent recycled materials A PVC based workstation that combines the durability and toughness of an industrial mat with true ergonomic support and comfort Beveled ramps eliminate trip hazards PVC construction offers resistance to chemicals, cutting fluids, oils and greases A pronounced raised diamond pattern on the mat surface and an inverted-V pattern on the ramps provide additional traction