eBay

Secure, seal, and protect boxes, bags, envelopes, computers etc...
Peel off label from the backing, stick on any surface and it is protected...
This particular label is Tamper Evident, meaning that if an attempt is made at removing this label, a 'Void' pattern will appear on the label and it will be unable to used again.
Subsequently, these stickers are one use only.
Simply peel and stick on your product.The labels will leave some or all of the silver backing if they are removed.