These aluminum-clad discs of clay will hold enough moisture that you can drop one in your tobacco pouch and pretty much forget it. When you can feel your tobacco getting slightly drier, just recharge the disc with distilled water.
Does the job what else you want.
Used these since 1968 -- Great for pouches and smaller tobacco jars.
I've used these for about two years now and will continue to do so. They work great.
Very handy. Just the right size. Lasts a long while.
Works great. I use it for my pipe tobacco. Keeps it perfect.