This gift comes with a high quality, large diffuser plus a bottle of the highest quality, Therapeutic grade essential oil. Only the best for your Mom or sweetheart! This is an amazing value ($57.98 if purchased separately) and a wonderful gift. Essential oils are the aromatic liquids inside of plants that act as an immune system for the plant. They have many therapeutic benefits that affect human bodies too. Orange oil is a very popular oil because it supports your body's ability to process stress. It calms the nerves and creates happy moods and a happy atmosphere. It is a crisp, clean scent and because it has zero chemicals or solvents or thinners added, it does not have a perfumey smell. It smells like you just broke open an orange! It also helps to sanitize the air and the surfaces it touches. Orange oil is also a cholesterol solvent and supports the body's ability to dissolve cholesterol deposits. It also has a gastric acid neutralizing effect and supports normal peristalsis. Orange oil has many benefits and is a wonderful gift for anyone!