MasterChinese 13x18" (35x46cm) Magic Cloth Water Drawing Writing Cloth for Chinese Calligraphy Sumi Drawing (No Grids - 2/pk) FeaturesInclude: 2 blank sheets with a brief welcome instruction. No grids. Material: PolyesterVery easy to use. Just use clear water and clean brush. See below.Size: Small 13 x 18 inches (35x46 cm)Clear results. No Odor. Lab tested for safety (safe to use for everyone including kids) .