Nasal Inhalers are for adding your essential oils or oil blends for aromatherapy on the go. You only need drop 5-10 drops of essential oils to the cotton wick inside, you can enjoy your aromatherapy whenever or wherever you are. The cover screws on to the body when the inhaler is not being used, keeping your oils from evaporating too quickly. Get one and star your journey of aromatherapy Features - Color : Mixed Color. - Material: cotton and plastic. - Size: About 6.6x1.7x1.7cm - Safe, and odorless. - Set of 12 blank inhaler tubes for you to add your favorite essential oils to enjoy aromatherapy. - Small enough to fit in a purse, pocket, or bag makes them easy to carry. - Refillable design, it an be used again and again. - The tight fitting and cover keep your oils fresh longer, secure the wick inside to preserve the oils natural healing properties and provide health benefits.