We R Memory Keepers Tri-Fold Magnetic Mat
Tri-Fold Magnetic Mat
Folds out to a 16"X20" work surface, folds down to 16"X7" for storage; and comes with a 15" magnetic ruler. The mat is made from a self-healing material. The grids and guides measure in both inches and metrics. Non-skid foam pads on the back keep it in place during use.