1000 Security Seal Hologram silver Tamper Evident Warranty Labels Stickers 15mm x 30mm- Dealimax Brand Dealimax brand very high quality 50 labels per sheet- total 20 sheets/1000 Hologramic SECURITY SEAL WARRANTY VOID IF TAMPERED OR REMOVED Hologram Security Label - Tamper Evident Labels. The label 'pops' with color with light and movement. Each label measures 15mm x 30mm on 2 mil metalized silver polyester. The labels are tamper evident. If removed some or all of the metalized silver will remain on your product as shown in the image. Once removed it cannot be reapplied without evidence of tampering as shown in the pictures.