Check the listing for details. 100 Security BARCODE Hologram Tamper Evident Label Stickers Seals full release. Condition: New. Listed at 11.95 USD. THIS LISTING: SVAG BAR-CODE HOLOGRAM LABELS The hologram background reads Security Valid Authentic Genuine. These can be scanned by your bar-code readers. These are pre-printed with the message SECURITY BAR CODE and sequentially numbered. They are numbered with unique numbering to protect your product. Hologram Security Label - 100 Tamper Evident Labels Bar-code Labels. The hologram becomes visible with light and movement. Each label measures .75" x 1.5" on 2 mil metalized silver polyester. The labels are silver and the hologram is activated with light and movement. The labels are tamper evident with a full release which means some or all of the backing will remain when removed. If your product has silicone or silicone coating they will not work for you. They are designed to be placed on a flat, smooth, non-porous clean surface. Once removed it cannot be reapplied without evidence of tampering as shown in the pictures.