Kiranholographics can provide the security hologram and hologram security stickers with 'Thermo-chromic Ink' which respond to changes in Temperature by changing from 'colored to colorless' with a rise in Temperature and from 'colorless to colored' when the Temperature drops. We can supply security hologram and hologram stickers with other security inks such as UV ink, fluorescent ink, Optical variable ink, IR security inks, Sun-light sensitive security ink, etc.