A hard round wooden case is included for secure protection of your sunglasses when they're not in use, so they're easy to pack up with the rest of your gear safely! (geekwrapped.com)
You get 2 pieces in this kit, both sheltered inside a nicely constructed wooden case. (geekwrapped.com)
But other, heated rooms held wooden cases stacked with slides and wax blocks in plastic bags. (scientificamerican.com)