Chuzhao Wu 1 Gm Silica Gel Desiccant Pouches Sachets Sacked(Pack Of 100) Little packets of silica gel are found in all sorts of products because silica gel is a desiccant - it adsorbs and holds water vapour In leather products and foods like pepperoni, the lack of moisture can limit the growth of mould and reduce spoilage. In electronics, scientific and optical instruments, communication equipment, metallic parts, leather goods, tools and many other small to medium sized items, it prevents condensation, which might damage the electronics. Pls note:ALL SACHETS ARE PRINTED DO NOT EAT.