Nontoxic, non-smearing, permanent ink dries instantly. After use, simply rub fingers together and ink is removed. 1,000 or more clear, crisp imprints on any type of paper. Protect your customers and all business transactions using fingerprint fraud deterrent. Used by governments during elections, private businesses during employee background checks as well as by Notaries, law enforcement and banks. Stamp Pads Type: Fingerprint Pad; Ink Color(s): Black; Pad Size (Width): 2 1/4"; Pad Size (Depth): 1 3/4".