FOOD GRADE & SAFE: The storage desiccant packs are made from food grade silicone and has passed a variety of strict qualification certification to ensure that it is tasteless, non-toxic and harmless. (Note: Desiccant packages less than or equal to 5 grams use food grade wrapping paper, can be used directly in contact with food and drugs, more than 5 grams desiccant packages should be used in isolation with food and drugs, water absorption effect is not affected.) INDICATING DESICCANT & REUSABLE: Bake packet for 0.5-2 hours at 200-250F, they can be easily reactivated by heating in the microwave, oven, or exposure to sunlight (note: the temperature should not be too high and the time should not be too long, or the outer packaging may melt.) EFFECTIVELY CONTROL MOISTURE: Storage desiccant silica gel packets are specially designed to effectively absorb moisture, ensuring that your belongings remain dry and protected from damage. These moisture absorber packs can absorb up to 35% of their weight in water vapor VERSATILE APPLICATIONS: These desiccants are widely used in your daily life, such as drawers, Medications, Vitamins, Seeds, Nuts, Snacks, Cookies, Spices, Pet Foods, Canister, Camera Lens, Clothes, Cosmetics, Books, Bags, Decorations, Wet phones, Cameras, Watches, Electronics, Shoes, and Many Other Valuables and more HASSLE-FREE AFTER-SALES SERVICE: No matter when you purchase, if there is a problem with the product, you can enjoy an indefinite product replacement or total refund. Our customer support team is at your service 24 hours a day to ensure you receive first-class service when you need it