Dry & Dry 50 Gram Pack of 10 Silica Gel Packets Desiccant Dehumidifier Packet dimension : 4" x 4" , Silica Gel Beads Size : about 1 ~ 3 mm Our Customers' Reviews are not through FREE SAMPLE OR DISCOUNTED COUPON PROMOTIONS Premium Quality (30 Year Experience in Silica Gel Desiccant) - Pure Silica Gel without Cobalt Chloride. NO RISK Packets can be Reactivated by Heating in an Oven for 3-4 hours at 240 Degree Fahrenheit Packets are stored in Resealable Self-Standing High Quality Foil Pouch Bag for Easy Storage and Use.