Ospac's hssoo2020ft4.9ksl hologram sticker is carved out on a silver colored reflective type metallized polyester sheet in 3d view and has an iterative sequence of the alphabets original original square. It has dimensions 20mm x 20mm square on a sheet form, size of 150mm x 150mm with 49 stickers per sheet. Water base adhesive is provided to the 24 micron hologram sticker. Special feature: hologram manufactured by ospac has full temper feature to enhance the security level so that it cant be re-used for any fraudulent activity. Sticker dismantles the hologram content image when wiped out from the applied surface. Your products & package are well complemented by a very captivating and distinctive feature. Security can also be extended with some of the optional feature as mentioned below. Security feature: security of hologram can be explain on the basis of security level/feature required in a particular product to combat counterfeiting. Broadly, hologram may have three layer of security as explained below: 1. Security layer 1: overt feature the feature that can be viewed from naked eyes comes under this category. For example: guilloche pattern, kinetic effect, gradient effect, pearl effect, 3d effect, animated image, true type image generated by combination of micro texts, company/brand/state/gov. Logo, laser numbering etc. 2. Security layer 2: covert feature those feature that can only be recognized through any device/decoder falls in this security layer. For example: micro text/micro images, laser viewable concealed animated multiple image, washed rastered image/ text, special machine readable coding etc. 3. Security layer 3: forensic feature forensic feature can only be decoded in forensic laboratory.