Check the listing for details. 100 Gram Desiccant Pack, Indicating Silica Gel Packet,Gun Safe Moisture Absorber. Condition: New. Listed at 9.99 USD. 【Smooth Non-Woven Fabric Packaging Material】: The silica gel desiccant packets are back sealing constructed with high quality non-woven fabric material. It has strong breath-ability smooth surface without harmful substance, good heat resistance and water vapor permeability.【Pure White Silica Gel Beads With 10% Indicating Silica Gel Beads】: White silica gel has strong moisture adsorption capacity, while orange indicating silica gel reminds you to replace desiccant when necessary. Desiccant Packs are cobalt chloride-free, non-toxic, non-hazardous and DMF-free. Orange indicating beads will change color to dark green after absorbing moisture. Silica gel raw is stable both physically and chemically. It is not combustible or corrosive.【Widely Used】: The silica gel desiccant packets provide a better solution keep moisture from guns, important papers, legal papers, collectibles, books, jewelry, photo album, shoes, camera lens, toys, leather clothing, ammo, photo equipment,etc. This type of desiccant is also widely used in mental processing, machine manufacturing and electric manufacturing industries.【Easy to Reactivate】: The desiccant packet can be reactivated by placing into the oven for 1 hour at 230℉-250℉/（110℃-120℃）. Depending on silica gel beads condition, they may take shorter than the recommended time. Please check the silica gel beads color.