RccugmatS Chair Mat for Hardwood & Tile Floor, 47" x 60" Heavy Duty Office Chair Mat for Rolling Chairs, Anti Slip, Non-Curve, Floor Protector for Home Office, GrayBrand: RccugmatS Color: Black&gray Features: [Non slip bottom & Effortless roll] The front side of our office chair mat allows you to roll your chair but won't feel slippery. The bottom side can grab the ground very well and stays in place so it wont slide. The over locking edge can let you slide the chair onto the mat smoothly. [Durable & Sturdy] Our mat has strong load bearing capacity. It's water resistant, oil resistant, anti aging, and high