High Quality: Made of environmental protection PP material; Each empty Nasal Inhaler comes with three parts: the wick, the outer chamber, and the end cap. Easy to clean: Remove all parts of the nasal inhaler tubes, soak in warm water, dry and reuse, or clean with mild disinfectant. reusable : the nasal inhaler sticks are refillable, you can screw off the cap and add some essential oil to the wick when it needs to be refilled. Portable: Blank nasal inhaler is small in size, compact, hygienic and suitable for carrying out, and very suitable for daily life. Widely used : adding your favorite essential oils and mixtures, enjoy aromatherapy they provides, suitable for carrying around the aroma of your favorite essential oils.