The WiseCan Indicating Silica Gel Desiccant Canister/Cylinder is constructed with a polypropylene shell, and it has received FDA approval, ensuring it is safe for direct contact with medications without any risk of ink migration. The indicating silica gel used is cobalt-free, and it undergoes a color change from orange to white upon moisture absorption. The transparent packaging enables easy monitoring of the moisture absorption state by observing the color change. This Desiccant Canister/Cylinder features a mesh structure, providing strong air permeability while containing no fibers. Its compact size makes it well-suited for moisture-proof applications.