•ANTI-SLIP back, a problem often forgotten about by other multi-purpose desk mats, to prevent slippage on your workspace while in use. The thickness to the pad allows for writing pen to paper without issues.Work Pad,w 3 Overlays,15-1/2"x17-1/4",Bk Acts just like a mouse pad with no friction allowing mice to guide freely.•DIMENSIONS 15-1/4" x 17-1/4"•Size: 17-1/4" w x 15-1/2" h.