GORILLA GRIP Office Chair Mat for Carpet Floors, Heavy Duty 29x47 Clear Lip | Easy Glide Slip Resistant Mats Under Desk, Carpeted Floor Protector for Work and Gaming Rolling Chairs, Computer Accessories

SLIP RESISTANT DESIGN: this mat is uniquely designed with hundreds of spikes on the underside to help it stay in place on your low pile rug without slipping or sliding; before using mat, test with foot to ensure it is securely in place and doesn’t move