Reusable Silica Gel Box Silicagel Moisture Absorber Moisture-Proof Desiccant Box Color Changing Indicating Suit For Description: SLR / micro single camera lens moisture-proof beads regeneration blue to pink. Dehumidification dehumidifier moisture absorption card dehumidification. Specifications: Size: 5.5*5.5*2.5 cm/2.2*2.2*1" Weight: 50 g Particle size: 90 (mesh) Temperature resistance: 50 ° C Decolorization rate: 90% Moisture: 5% Aperture: fine pore silica gel Color: white, blue, orange (optional) Product features: dehumidification and moisture Main use: desiccant Scope of application: SLR lens, camera, lens, microscope, telescope, audio and video equipment, record, audio tape, video tape and computer floppy disk, etc. Specifications: Protect film, color negatives, color slides, photos, valuable stamps or collections of currency to prevent mold and deterioration. Widely used in precision instruments, leather, shoes, clothing, food, pharmaceuticals and household appliances. It can be placed in a closet and inside the box to prevent mildew such as coats or sweaters. Discoloration after washing: blue turns red, orange turns green, white turns pink. Note: When the moisture-proof beads turn pink, put it under the sun and put it in the microwave oven to resist the fire for 40 seconds. Note that the microwave heating time is between 30 seconds and 1 minute. Don't be too long, too long, the moisture-proof beads will be turned off, return to blue, and then recycled. It is recommended to buy a few more boxes and use them together better. Package Included: 1*Color changing desiccant Notes: 1.We provide clear pictures, measurements where possible. Please check as much as possible to make sure the item is the one that you need. 2.Please allow 0.5-1 inch difference due to manual measurement.(1 inch=2.54cm) 3.The color of the actual items may slightly different from the listing images due to different computer screen, thanks for your understanding. Thank you for understanding.