CoinGod Forensic Coins and SuppliesDESCRIPTION(Four Brand New In Packages)Hydrosorbent SG-40 Desiccant Silica Gel 40 GramFor Coins & Currency CollectionsProtect your coins and currencyinvestment with Hydrosorbent Dehumidifiers.Silica Gel will "drink" the dampness from the air, preventing damage caused by humidity within the closed area.You can prevent the rust, corrosion, oxidation, tarnish of tools, electronic equipment, coin collections and silverware by simply placingthe silica gel unit within the enclosed storage space.In your camera bag, Silica Gel can help prevent the fogging of lenses, and help lengthen the "shelf-life" of photographic film and batteries.Silica Gel is inert, non-toxic, and safe to use in any number of applications.It requires no electricity, and even when saturated with adsorbed moisture,it looks and feels dry to the touch.A 40 Gram Unit will protect 3 cubic feet of enclosed space. Top grade silica gel is contained within an aluminum canister that measures 4 x 2 x 1/2.Your 40 Gram Silica Gel unit will come with complete instructions for use and reactivation.PLEASE CHECK OUT MY OTHER productS AND STORE FOR COINS AND CURRENCY SUPPLIESWE SHIP OUT WITHIN 24 HOURS OR SOONER AFTER PAYMENT IS RECEIVED EXCLUDING HOLIDAYS AND WEEKENDS.IF A CUSTOMER IS NOT COMPLETELY SATISFIED CONTACT US VIA EMAIL OR CALL 727-534-2960 BETWEEN 12PM-9PM EST.WE ARE VERY CUSTOMER SERVICE ORIENTED WITH FAST AND FRIENDLY ANSWERS. WE AIM TO PLEASE.AFTER YOUR ITEM ARRIVES AND YOU LEAVE FEED BACK BECAUSE YOU ARE SATISFIED WE WILL DO THE SAME.