Approximately one ounce. Sold for magickal intention use only, do not take internally. Skullcap's vibration may be useful when looking to prevent nightmares, for deep meditation and trance work as well. Due to government restrictions we are unable to offer any medical advice on the use of herbs, including which ones are safe for consumption and which ones are not. Due to the toxicity of some herbs, we suggest keeping your herbs safely away from children and pets.