This is an epoch-making opaque almighty ink pad that can be used for most materials, including materials that do not absorb ink. Be careful when using slippery materials. If it fails on the non-absorbing surface, it can be removed with the stays-on cleaner. After using the stamp, be sure to use the stays-on cleaner to remove the ink early and wipe it off with water. It is recommended that you test resin clear stamps (acrylic stamps) beforehand as they may deteriorate depending on the material. Cover and store immediately after use to prevent drying. Use : Plastic, metal, shrink plastic, rubber, leather, polymer clay, laminated paper, coated paper, plain paper, photograph, glass, pottery, terracotta, transparency, transparent surface, cloth.... Drying time : 3 seconds (absorbing surface) to 5 minutes (non-absorbing surface) Depends on material, climatic conditions.