(Pack of 50 X 2 Gram) Active Elements High Quality Silica Gel Desiccants Dehumidifier - 50 Silica Gel Packets of 2 Grams Each. Packed in Breathable PP non Woven fabrics PROTECT YOUR VALUABLES: guns, ammo, electronics, computers, safes, marriage and birth certificates, passports, important documents, coins collections, jewelery cabinets, storage bins, herbs, bulk pet food, laundry powder detergents, seeds, granular fertilizers, sporting goods, RVs, camping, hunting, boats, trailers, fishing flies, tackle box, snow gear, luggage, suitcase, backpacks, tool boxes, gun cabinets, laptop bags, rescue mobile phone, stop camera lens from fogging PERFECT STORAGE FOR: Gun safes, steel/aluminum ammo can/canister, fire/water chest and electronic gifts, fabrics, material, wool, drying flowers, scrapbooking, photo boxes, albums, books, make up, cosmetics and toiletries and gym bag, shavers, razor blades, closets, shoe boxes, seasonal clothes, jumpers, bedding & linen, duvets, quilts, doonas, blankets. Prevent tarnished silverware, remover of moisture, odours, mold, rust and corrosion SUPER ABSORBENT: This Gel Bag can absorb 40 percent of its own weight in moisture and 15 percent within the first 2 hours, each 10 gram sachet protects 470 cubic inch.Safe and easy to reactivate for extended use. COBALT CHLORIDE FREE. Packed in PP SpunBon breathabke fabric. Silica gel is a grainy porous transparent substance with a good surface area for adsorption of water and organic/gaseous molecules. Adsorbs 25 to 40% moisture by weight depending upon the humidity, it attains saturation after absorption to its maximum capacity. RE-USE : Unless the silica packet is in an airtight container, you will need to check to make sure it's still able to absorb water vapor. Weigh the packet. If the weight is over 30 percent of the original "dry" weight, the packet should be replaced. Used packets can be dried for reuse on a cookie sheet in a 250 degree Fahrenheit oven for two hours.