Originally Posted by c3shooter
PS- I have used panty hose to make a sock for a rifle in very dusty clime.
I use it for wiping oil off a stock when I'm refinishing. Soaks up the excess oil without leaving "lint" bits, and helps to burnish the finish. Hmmmm...... maybe we need another thread.
To the OP. A couple of commercial packs that I have has the desiccant in a light cloth bag, and that sits inside a thin cardboard box that is punched full of holes. Nothing complicated.