Kespon ID Guard Stamp: Small. For those who want to guard against identity theft but don t like the mess of a paper shredder; the Kes pon ID Guard Stamp is for you. This stamp prints a 1-1/2x1/2in block of 114 characters designed to obscure addresses and other sensitive information. It uses fast-drying and waterproof permanent black ink but is not recommended for glossy paper which can smear ink. This package contains one 3x2-1/2x1-1/2in stamp with attached pad For use on non-glossy papers only.