These are 100% pure and therapeutic-grade essential oils for topical applications. They are available in 5ml and 10ml glass roll on bottles. They are made from the highest quality ingredients available. These are topical blends, to be "rolled on" affected areas or specific regions of the body. Essential oils are "the essence" of the plants and trees that is captured during a process called distillation. They are highly concentrated, and are used to help "treat" certain illnesses or mild affliction. Not intended for children under 6 months (adult application only) or pregnant women.