Check the listing for details. 36 Micro Cache Containers Geocache Geocaching FREE LOG! Bison Tube WATERPROOF!. Condition: New. Listed at 29.99 USD. You get THIRTY-SIX (36) micro caches in this auction! These are chrome-plated, and are water and dust proof with a rubber o-ring! They have a chain so that you can easily hide them or suspend them from a wire inside a pipe, or off a tree branch. You can paint them any color you'd like, they take paint very well. You also get a FREE printed sheet of micro logs that fit into these containers! You get 48 logs, so you'll have a couple extra when the other get full! Also, if you ever need MORE logs, just email me, and I'll send you the file that you can use forever, for FREE! These micro caches also come with plastic tubes inside each geocache, so you get 72 caches total! The plastic tubes are good for dry locations.