There are various materials that can be used for warranty stickers, for example Holographic materials, Destructive PVC, Tissue Paper and etc. Each of them presents different security purposes:- Destructive PVC sticker is extremely fragile and breakable with minimum effort, Holographic material will leave residues onto the product when someone attempt to tear it off, we have code "Valid" silver honey comb release effect and code "Original" Total Release Effect Sticker. Tissue Paper has softer texture that usually come with security die-cut in order to secure the validity of warranty.