0.3g, 1.6 x 0.2cm. It has strong healing effects. It activates the nervous system, strengthens memory and brain activity. Short-term concentration on vltavine is an ideal introduction to meditation. It works most strongly if we warm it in the palm of our hands before meditation. When meditating with it, we feel the penetration of a warm wave, the body, spirit and soul relax. Negative forces are flushed out of the body, we will feel the release of an unfavorable burden. ?