Hero Arts Mid-Tone Shadow Ink Pad, Dark Quartz Hero Arts Shadow Ink Mid-Tone is the best quick-dry choice for stamping on glossy or coated papers; as well as regular paper surfaces Offers subtle washes of mid-tone color; ideal for backgrounds and in combination with all Hero Arts stamps Dries quickly and permanently on most papers Water-based; acid-free; archival; and fade resistant Raised pad inks stamps of any size Coordinates with our Hero Hues line of papers and accessories