Floortex AFS-Tex 4000 Anti-Fatigue Mat, Rectangular, 20 X 30, Midnight Black

.Anti-fatigue standing surface with a contoured non-linear profile of between 0.8
.Ergonomically designed anti-fatigue standing surface for use with standing desks. The contoured, non-linear surface between 0.8" and 2" encourages regular movement and the changes in standing positions which significantly reduces fatigue.
.Raised ergonomic surround feature allows further rocking or stretching of feet and ankles to stimulate the lower body while standing.
.Embossed foot massage features.
.Ergo bar and rear recess enable ankle flex exercise for added stimulation. The facility also enables easy mat positioning.
.Fine polyester cover for added tactile comfort and durability.