Horsetail, also known as Shamegrass and Snake Grass, is known as a living fossil because it is the only surviving species in its genus. The plant genus its common name from the fact that the erect stems resemble a horse's tail. Weedy and grass-like with a slightly sweet scent. This herb is great for snake charming, bone healing, anti-aging spells, fertility, and more. These come in 17ml glass seal tight vials with labels to properly store herbs to last awhile. If you are wanting another size not shown please message us. These have not been evaluated by the FDA and we are not guaranteeing any type of cure, treatment, or relief from using this product in any way. Use at your own risk and be sure to consult a doctor before using.