The smooth, fine, flat linoleum surface on this block will reproduce sharp, clear prints without gaps or hollows. The linoleum is 1/8" thick and is mounted on high quality 3/4" blocks that won't warp, crack, dry out or peel. Made for use with oil or water-soluble block printing inks.Details:Available in multiple sizesMounted on 0.75" (1.9 cm) particle boardMade for use with oil or water-soluble block printing inks