PPLS Round Silver Stickers Protective Security Holograms "Seal and Protect" Tamper Evident 0.32"(8mm) Qty: 425 pieces Tamper evident silver film trace when removal is attempted. Therefore Cannot be Resealed. Secure, seal and protect boxes, cd, dvd, vhs, envelopes, computers When hologram label is be removed , the hologram layer will be teared. Thus, this label is available only once. Please don't use on the metal surface