Dry & Dry 5 LBS Premium Pure White Silica Gel Desiccant Beads(Industry Standard 2-4 mm) - Reusable 5 lbs of Brand new Fresh High Quality Pure Silica Gel Beads - Silica Gel Beads Size : about 2 ~ 4 mm 30+ Year Experience in the Industry of Silica Gel Desiccant - Premium Quality Pure and Safe Silica Gel(See Our Customers' Reviews) Beads can be Reactivated by Placing in the Oven for 0.5-2 hours at 200-250F Or Microwave for About 10 Minutes at DEFROST. Don't use over 250F in the Oven. Depending on beads' condition, they may take shorter than the recommended time. Beads are stored in Air Tight Sealing Thick Container for Long-term Preservation & Protection. We REALLY Want Our Customers to be HAPPY with Our Products. Please Contact us If You are not Happy. We will Give You Free Replacement or Full Refund Even BEYOND REFUND PERIOD.