Rhino Mats Doctor Stand-Eze anti-fatigue mat with attractive smooth marbleized surface and non-porous encapsulated construction that cleans up easily with most disinfecting agents, meeting the challenge of laboratory and medical enviroments. Doctor Stand-Eze is ergonomically designed to stimulate blood flow and prevent fatigue. It displays excellent physical properties such as tensile strengh, tear resistance and cleanability. Doctor Stand-Eze anti-fatigue mat is available in the double sponge with a full 7/8-inches thickness, double the thickness of ordinary mats. The base is sealed in a non-porous envelope that is permanently bonded to the backside. 3 year unconditional, non-prorated warranty insures against cracking or fracturing.