Baumgartens Black/Black Ink Fingerprint Ink Pad 1-7/8" x 1-7/8" x 1/2", convenient compact inker delivers clear clean permanent fingerprints but leaves no residue on your hands. Will not stain fingers. Pad with adhesive backing stays put-no slipping and sliding. Excellent for use in authenticating checks, legal documents and personal papers by putting your unique finger print on them.