These Silica gel packets can protect your items from moisture damage. Suggested Usage: Each 20 gram packet can cover approx.5 gallon/ 0.7 cu.ft. volume container. We recommend adding extra packets than suggested for better protection. Put your items and silica gel packets in a sealed container to protect your items from moisture damage. Use silica gel packets to protect your important documents, collectibles, books, valuable computers, electronics, camera lens, jewelry, photo album, leather items, shoes, silver, guns, ammos, etc. Silica gel beads do not change shape and keep their dry surface even saturated with water. They can be reused. Tips to reactivate, place in the oven for about an hour at 200F, or microwave for about 8-10 minutes at Defrost Mode. 100% Satisfaction Guaranteed: We want you to be completely satisfied with every purchase you make. If you are in any way dissatisfied with our product you ordered, we’ll refund your money if they don’t work. Package includes: 20 desiccant packets. 20 gram each packet. Packet size: 3.5 x 2.6 (inch). UPC 753864205653 ASIN B0CQ281BVK Color White Capacity 0.7 cubic feet Brand Name Sohler Unit Count 20 Count Item Weight 20 g Part Number DESI-20G Tank Volume 0.7 cubic feet Operation Mode Intermittent Number of Items 100 Number of Packs 20 Included Components 20 silica gel packets Item Dimensions D x W x H 3.5 D x 2.6 W x 0.5 H Recommended Uses For Product Residential Other Special Features of the Product Portable