10 sheets measure 5x7inches (12.7x17.78cm). Tim Holtz Alcohol Ink Dura-Bright Black is a versatile surface suited for mixed media techniques. Dura-Bright Black is an opaque, matte, smooth synthetic .010 inch (110lb cover) surface that is heat tolerant and non-absorbent. Use with Tim Holtz Alcohol Inks with Snow Cap Mixative, Alcohol Pearls, Alloys, and Blending Solution.