Use it to keep your dive log

you can let yourself get lost in the finer details of soaring arches and spiral stairways without having to get up to refill

The easy-to-follow diagram depicts the moon’s cycles down to the day

If you're lucky enough to encounter some of these special species of fungus

Gems & Minerals 12 oz Steel Bottle Discipline_Genetics Use it to keep yourFill this convenient travel bottle with pure, refreshing water to ensure you stay properly hydrated during your mining expeditions. It's a must have for your underground journeys! With a textured design for a unique tactile experience, this flask will keep your drink hot or cold until you're ready to enjoy it.