Reusable Silica Gel Desiccant Beads Humidity Moisture Absorb Dry Box for CameraFeatures:1. Made of high grade silica gel, which is harmless, odorless, safe and eco-friendly.2. Specially designed to remove moisture from the surroing air.3. Can be placed in closets, coat or sweater inside the box to prevent mildew.4. Reusable, just heat in microwave just 5 minutes(medium low power), color will slowly changeback to blue after reactivation.5. Multifunctional, also suitable for protect the camera, lens, microscopes, telescopes, audio andvideo equipment, records, tapes, video tapes from mildew.Specification:Condition: d NewMaterial: Silica GelColor: As Pictures ShownPlastic Box Size: approx.7.4*7.3*15cm2.9*2.9*5.9inWeight: Approx.530g18.7oz Package list:1 Box Silica Gel Desiccant BeadNote:1. Please allow 0~1 inch error due to manual measurement. Thanks for your erstanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly differentfrom the real object. Please take the real one as standard."