?Package Contents?: You will receive 2 pack of 200 gram indicating desiccant canisters. Each desiccant canister is individually packed in bags for easy storage. It is perfect for safeguarding guns, important documents, collectibles, books, jewelry, photo albums, shoes, camera lenses, expensive photography equipment, toys, leather clothing, ammunition, and photo equipment. Its versatile usage ensures the preservation and protection of a wide range of valuable items. ?Versatile?: Silica gel container can Protects up to 150 cubic ft of enclosed storage space., including safes, ammo cans, toolboxes, 3D printer filament storage boxes, weapon cases, and closets. It provides an effective solution for moisture prevention in various items such as guns, important papers, legal documents, collectibles, books, jewelry, photo albums, shoes, camera lenses, valuable camera equipment, toys, leather clothing, ammunition, and photographic gear. ?Easy Reactivation?: To reactivate the reusable silica gel canister desiccant dehumidifier, simply place it in the oven at a temperature of 200°F-250°F for 0.5-3 hours (avoid exceeding 250°F). Depending on the condition of the silica gel beads, reactivation may take less time than the recommended duration. Remember to regularly check the color of the silica gel beads. ?See-Through Plastic Disk, Transparent Window?: Wisesorb desiccant canister features a clear window that allows you to easily monitor the color of the silica gel. If the beads change from orange to light green, it indicates that the environmental relative humidity is above 50%. With an effective volume of 150 cubic feet, it provides efficient moisture absorption. ?Indicating Silica Gel Beads?: Wisesorb cobalt chloride-free orange indicating beads (2-4mm in size) are designed to change color within a humidity range of 20%-50%. Once saturated with moisture, the beads will complete the color change to LIGHT green. It's important to note that the initial color change does not indicate full saturation. The beads will continue to absorb moisture until reaching 50%RH. We recommend periodically checking the silica gel beads to ensure their effectiveness. ?Portable and Durable Silica Gel Tin Canisters?: Our silica gel tin canisters are designed with convenience and durability in mind. Each canister measures 5 inch x 5 inch x 0.71 inch, providing a compact size that is easy to carry and store. The high-quality aluminum construction ensures the canister remains firm and sturdy, protecting it from dents and damage. With their independent and portable design, these small silica gel tin canisters are a convenient solution for your storage needs.