Amcomfy the Original 7/8" Professional Standing Mat for Desk Anti Fatigue Mat Comfort Floor Mat For Office Kitchen 20" x 30" Black ANTI FATIGUE: 7/8" thick,up to 99% thicker than other mats, Reduce 85% fatigue caused by long time standing,~SUPER THICK~SUPER COMFY~Tested and certified by Technischen Uberwachungs Vereine(TUV) ECO FRIENDLY: highly durable PU foam, no toxic off-gassing smell, safe for kids and pets ERGONOMIC DESIGNED FOR SAFETY---Beveled edge design and no-curl edges reduce trip hazard while the non-slip bottom keeps mat in place. EASY-TO-CLEAN, water & stain-resistant surface.Mold and mildew resistant. DURABILITY with a life time warranty, will NOT break down and over compress.Try it Risk Free! Get the happy cooking and better working.