Silica gel desiccant is a kind of odorless,tasteless,non-toxic,high activity absorption material with strong adsorption capacity.It has a stable chemical property and never reacts with any substances except the Alkai and Hydrofluoric acid,safe to be used with foods and pharmaceuticals.Silica gel descicant whisks away moisture to create aprotercyive environment of dryair for safe storage. These silica gel bags come in a full range of sizes from 1g to 1000g – so as to offer you optimal performance.