Part number SD-8. STA-DRI is your desiccant pack solution to keeping your favorite things protected from moisture, mold, mildew, rust and corrosion. Made from all-natural clay, STA-DRI desiccant packs are non-toxic and non-corrosive, and are safe for use with cars, boats, firearms, RVs, gear storage and more. This 8 ounce STA-DRI desiccant pack can cover roughly 6.6 cubic feet and is perfect for storage with bags, backpacks and toolboxes. It's 6" wide by 7.25" long and about 3/4" thick, but you can easily roll the pack up or flatten it out, or fold it in half. Safe & Eco-Friendly Made from all-natural montmorillonite clay from the American Southwest No additives or toxic chemicals Odorless, non-flammable and safe to the touch Reusable Recharge or regenerate STA-DRI packs by using a conventional oven Usable for up to three cycles Non-Corrosive STA-DRI contains no calcium chloride like other leading desiccants Safe from leaks that can damage or corrode gear Superior moisture capacity STA-DRI absorbs more moisture per pack* than silica gel Exceeds U.S. military storage specifications *Military specifications define a desiccant unit as absorbing at least 3 grams of water vapor @ 20%RH and 6 grams @ 40%RH. A unit of Sta-Dri is one ounce (28.35 grams). Over seven hours a unit takes up .25 grams @ 40%RH and .70 grams @ 80%RH.