Mycelium is the intelligent, vegetative part of a fungi that primarily lives underground in the soil. It spread out searching for food and nutrients, creating a web-like pattern along the way. Recently its being used in fashion as a vegan leather alternative and in product design as a building material.

No.

Mycelium will not harm you. Mycelium and mold are not the same thing. The fear of fungi is unnecessarily spreading around and having one of these pieces will not cause you harm.

No. Once the piece is dried it exists in a dormant state and growth is suspended until it is rehydrated.

Yes ! Small amounts of water will not affect the pieces. Mycelium is naturally water resistant. If water splashes on it or it gets wet, gently wipe it off.

However, if the piece is submerged in water for an extended period (over a few hours) of time and unable to dry, mold may start to form.