Below are the available bulk discount rates for each individual item when you purchase a certain amount
Transparent sturdy plastic vials with a snap close lid. These vials are useful for containing a log roll in a small custom-made container but are not likely to be sturdy enough to be a geocache on their own.
Often you see them called a "pico" cache or micro cache. They are smaller than a bison tube but larger than a nano, and take the same log as a standard sized bison micro.