The Clearwater is machined of high-grade aluminum. It has two seperate chambers for both the left and right hearing aids. Each chamber is fully padded, and has storage for three spare batteries for each aid.
It's about the diameter of a quarter and shorter than most writting pens. It was designed to fit nicely in the pocket or hang from the included lanyard from a backpack or belt loop.
There is a separate chamber for each aid measuring:
Max length (depth): 1.07 inches
Max width: .871 inches
It is 90 percent recycleable.