Portable, Durable, Save Space and No Electricity Needed: Hard plastic dehumidifying can is a nice product for controlling humidity in a small container or storage container of up to modest size like ammo boxes, toolbox or 1 quart plastic bag. The clear plastic containers make it easy to see the color change caused by absorbed moisture.

Indicating Silica Gel Beads: Utiliza high quality blue indicating beads (2-4mm in size) and will change to different colors at 20%-50%RH and will complete changing colors to pink when they become saturated with moisture. When you find the beads begin to change color, it does not mean the beads saturated with moisture and the beads will continue to absorb the moisture until 50%RH. Please check the silica gel beads periodically which can be reactivated indefinitely.

Easy To Reactivate: Easy to see the color without opening, if the beads turns from blue to pink, it means the environmental relative humidity is greater than 50%. The reusable silica gel canister desiccant dehumidifier can be reactivated by placing into the oven for 1 hour at 200°F-250°F (do not over 250°F). Depending on silica gel beads condition, they may take shorter than the recommended time. Please check the silica gel beads color.

Great Absorbing Capacity and Multi-Purpose: The silica gel container protect up to 120 cubic inch each one grams of any enclosed or sealed storage space such as safe, ammo cans, ammo boxes, tool box, 3d printer filament sealed plastic storage box, weapon case, closet and provide a better solution keep moisture from guns, important papers, legal papers, collectibles, books, jewelry, photo album, shoes, camera lens, expensive camera equipment, toys, leather clothing, ammo, photo equipment.

Nonwoven Zip Lock Storage Bags As The Gift: Please understand that canister work to dehumidify, but a bit of dust after 3 times reactivated. Suggest to put it in nonwoven zip lock storage bags we provided directly when you use in any enclosed storage space you want to keep dry. 10 packs of reusable desiccant silica gel canister with net weight of each pack: about 45g=1.59oz, each hard plastic dehumidifying can dimension: 2.17x2.17x1 inch.