【Product Description】 ◆ Maintains a humidity level of 40%, ideal for cameras, audio equipment, and more. ◆ King Dry utilizes tear-resistant nylon bags. ◆ The calcium oxide component is an environmentally friendly material also used for purifying contaminated soil. ◆ Certified product by the Japan Calcium Chloride Desiccant Association. ◆ Calcium oxide is an environmentally friendly material also used for purifying contaminated soil. ◆ Comes with a convenient zipper closure for storage. ◆ Contains 2 packs of 4 bags each, for a total of 8 bags. ☆ Free shipping. ☆ Secure anonymous shipping.