1pc Silica Gel Desiccant Humidity Moisture For Absorb Box Reusable

100% Brand new and high quality Widely used in precision instruments leather shoes clothing food medicines and household appliances. Can be placed in closets coat or sweater inside the box to prevent mildew etc. Can be used to protect the camera lens microscopes telescopes audio and video equipment records tapes video tapes and computer diskettes etc. in order to prevent mildew. With moisture after the red color change from blue features. You can reuse your used silica gel with Microwave. Heat in microwave just 5 min. (Medium / low power) Color will slowly change back to blue after reactivation. Size: 5.5cm x 6cm x 2.2cm. Quantity: 1pc