USAGE DIRECTIONS: Each 2 gram packet can cover approx.1 gallon/ 0.14 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 | Packet material is made of breathable nonwoven fabric cloth. 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, or exposed in the sun for 2 hours. | 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. Simply email us the problem, and we’ll take care of you. | Package includes: 100 desiccant packets. 2 gram each packet. Packet dimensions: 1.75" x 1.3" (inch).