Aromatherapy inhalers are little glass tubes that house a cotton wick that holds essential oils, the tube is encased in a stylish aluminum case. They're discreet, personal use items that make using essential oils convenient when you're on the go or in public. To use pull or unscrew the top, then place on each nostril and inhale deeply. You will feel your sinus open up. The therapeutic effects will be felt as you use them for your health concerns. Such as Headaches, Cold and Flu, Allergies, Anxiety, Depression, Nausea, Attention Issues, and Sleeping Problems. An extra cotton wick is included if you would like to change the oils.