Anti-fatigue mat that offers bare-foot comfort! The physical design of the product in combination with its Nitrile rubber foam structure results in an extremely comfortable mat to stand on or walk across. Anti-microbial treated for lifetime protection against odors and degradation. Highly durable and dense closed cell Nitrile rubber foam combined with uniquely designed construction affords excellent anti-fatigue properties. Grease and oil proof. Designed for use in wet or dry areas. Safe to use at welding stations. Can be autoclave sterilized. Green 10% recycled rubber content. Overall Thickness: 9/16".