4LBS Desiccant Beads, Premium Blue Indicating Reusable Silica Gel Beads Bulk, Industry Standard 3-5 mm Desiccant Dehumidifier for 3D Filament, Electronic Devices, Camera, Documents, Safe (10PCS Bags

High Absorption Capacity: desiccant beads offer exceptional moisture absorption, capable of absorbing up to 35% of their own weight. It is generally estimated that every 40 grams of silica gel can protect up to 30 cubic feet of enclosed storage space.
Color Indication: The blue indicating silica gel will turn pink upon absorbing moisture. The initial color change does not indicate full saturation; the desiccant continues to absorb moisture until reaching 50-60% RH, then turns pink.
Rechargeable: The reusable desiccant beads have a vibrant blue color; when beads turn pink, you can reactivate them by placing them in the Oven for 0.5 to 2 hours at 200 to 250F, or in the Microwave for 7-10 Minutes on Defrost Mode. Baking time depends on the condition of the silica gel beads; please check the silica beads' color periodically.
Package & Warm Hint: The package contains 10 organza bags and 4 lbs of rechargeable desiccants, sealed in an airtight barrel for long-term preservation and protection. The bead size is the industry standard of 3-5 mm and is not suitable for drying flowers.
Wide Application: Color changing desiccant can be broadly used in daily life. You can use it to effectively prevent moisture damage to 3D printer filament, Electronic Devices, Camera, Documents, Jewelry, Gun Safe, clothes, and many other valuables