Ergomat Infinity Smooth is the only true anti-fatigue mat available with up to a 12 year warranty (in dry applications). The Infinity Smooth mat has the comfort of a Polyurethane mat and has the added benefit of easy clean-ability due to its closed-cell/non-porous top surface. Ergomat Infinity Smooth also has extremely good chemical and UV resistance (except for organic solvents). Ideal if carts or trolleys must be used. Cleanroom ISO Class 5 (Class 100).