This product is a Data Theft Guard Security Seal made of ABS and SK5 stainless steel blade. It is used to protect personal privacy and information security by smearing personal information on express delivery forms. The product is 56mm*47mm*9mm in size and has a blade width of 9mm. It is a convenient and fast correction tool that can quickly and accurately erase text without damaging the original information. Features include efficient clearing, unmarked word removal, and multi-functionality. It can be used for express delivery, old books, labels, and more. The package includes one piece.