Specifications: Convenient 0.2 inch (5 mm) grid type underlay for writing lines and graphs. Material: PP; Product Size: Width 5.8 x Height 8.5 x Thickness 0.02 inches (147 x 216 x 0.6 mm); Long Side: 7.9 inches (20 cm), Short Side: 5.1 inches (13 cm); Surface: Glossy Clear, Back: Matte