Our Embroidered Lavender Sachet 3.5oz - Eyelet Heart has a little insert filled with French Blue Lavender and comes with a supply of Lavender essential oil to refresh it. It can be reused almost indefinitely; simply refresh it with the provided essential oil. Lavender’s wonderful properties make it one of the most widely used essential oils in France. It has been used for centuries essentially for balancing emotions, relieving stress. It has been known to decrease high blood pressure & reduce tension. Lavender with its calming ingredients may promote restful sleeps. It may also facilitate breathing.