Miusco Cloud Mat, 20 X 39 inch Certified Anti-Fatigue Standing Desk Comfort Mat, Black Certified by TV RHEINLAND, the thickest comfort mat (0.75") in the market that can reduce pressure on your feet, knees and back up to 68% Advanced Safety Design non-slip bottom and beveled edge keeps mat in place and avoid tripping Made by Top Graded Material, mat will always remain original form and strength Widely used in home, kitchen, office, school, medical institution and more Back by Miusco's 60 Days 100% satisfaction guarantee if you are not completely satisfied with our products, or you just don't like it, we will offer you replacement or full refund, no questions asked