... object void,opened hidden message anti theft function Description:Tamper Evident security tape provides a security seal for letters, ... of anti-fake.Random message or graphic is available.Detailed Product Description1,Tamper Evident Tapes, 2,width: 50mm, 3,length: 50m, ... ,letters or parcels from unauthorized opening or reading5,Improve product image or raise customer’s confidence on products6,Be used ...