ProperAV Rubberised-Gel Foam Anti-Fatigue Standing Desk Mat - BlackStand up while you work with the ProperAV Rubberised Gel Foam Anti Fatigue Standing Desk Mat. Made of PU foam, this contoured mat provides a soft and comfortable surface for your feet whichever way you stand. Relieving pressure on your heels, back, legs, and shoulders, it will ensure that you maintain the optimal posture during prolonged standing. Designed with a contoured no curl edges to eliminate trip hazards, its also resistant to spills and