A resilient rubber compound and unique support design offers exceptional fatigue relief. Large hole drainage design keeps moisture and debris free from worker platform. Easy to snap together mats on-site for custom work station platforms. Optional nitrile rubber borders available for trip-resistant platform. Available in 2 versions: (1) Black mat which is grease resistant and carries a 1-year warranty. (2) Red mat with extra nitrile content is grease-proof and carries a 3-year warranty. Overall thickness is 3/4 inch.