1000 X Security Labels Stickers Void if Removed Tamper-Evident Security Sealed Each With Unique Barcode and Serial Number Size: 50mm wide by 20mm. Protect against warranty fraud/infringement. Each label bears a non-recurring sequential 7 digit numeric "VOID" and "OPEN" wording pattern remains upon item affixed AND runs throughout front and rear of label. Label can NOT be re-applied to any surface once removed; cannot be 'hair dryer' removed without evidence of removal. Cost-effective, simple and foolproof to deploy.