The sponge coat tile top mat has been in use for over 40 years in laboratories , the post office and many commercial facilities
In fact sponge coat is the grand daddy of anti fatigue mats
This fine industrial anti fatigue mat is the 1/2 in thick version of the Wearwell Ultra Soft Tile Top Mat - which is 7/8 in thick
Both items are high quality , but at a premium of about 20 percent - the ultra soft will give an anti fatigue rating of 5 on 5 scale versus 4.5 on 5 scale
For Dry Area Use
The Nitricell base is a vinyl and nitrile rubber compound