This small container offers more desiccant in less space. It is ship-proof and possesses greater drying capabilities. Designed for use in bottles and small containers. Perfect for protecting against potency loss, odor formation, color changes, caking, mildew and condensation. Capsule shell is made from polyethylene with very fine mesh top and bottom. The canister contains silica gel capsules. Capsule measures 9/16" dia. x 11/16" high (14 mm x 18 mm high) and weighs 1 gram.