Tim Holtz Tonic-Stamp Platform. An innovative surface for precision stamping with rubber and clear stamps. Engineered to ensure an accurate even contact every time. Marked in both imperial and metric measurements accurately placing stamps at specific intervals could not be easier. This package contains one 9.5x11.5 inch stamp platform with an 8.5x8.5 inch stamping area, side ruler and two magnets. WARNING: Choking Hazard- small parts. Keep away from children.