100 Seal A Box&trade; Transparent Security Holograms 1.18"X 0.71"(30mm X 18mm)3D Protective Stickers Rectangular, SECURE, SEAL TO PROTECT BOXES, CD, DVD, VHS, ENVELOPES, COMPUTERS Specially designed TRANSPARENT Security Holograms Seal A Box Can be used on any dry surface as Protective Security Hologram. Peel 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.