100 1"(25.4mm)Circle 3D Stickers Protective Security Holograms "Genuine Seal of Authenticity" Tamper Evident CIRCULAR, SECURE, SEAL TO PROTECT BOXES, CD, DVD, VHS, ENVELOPES, COMPUTERS Specially designed TAMPER EVIDENT Security Hologram for Documents & Products Can be used on any dry surface as Protective Security Hologram. Peell off Label from the backing, stick on any surface and it is protected. If someone wants to remove hologram label, it is destroyed and can't be reused.