You will get 15 sets of Blank Nasal Inhaler (Empty inhaler tubes for adding essential oils) from 11 colors: white, yellow, blue, dark green, light green, purple, red, pink, orange, black, ochre Each set contains 4 parts: Outer Shell,Inner Shell,Highly absorbent wick,Sealing Cap  Make your own aroma nasal inhaler sticks with this blank nasal inhaler tube It is very easy to use the wick to absorb essential oils and assemble the 4 parts together yourself --- only 2 minutes to follow the instructions! INSTRUCTIONS: Step 1: Simply saturate the Absorbent wick with 10 - 20 drops of your favorite essential oil or blend.  Step 2: Insert the saturated absorbent wick into the Inhaler (Inner Shell) and secure the Seal Cap. Step 3: Tightly screw on the Container (Outer Shell) to keep scent from drying out.  TO USE YOUR AROMA NASAL INHALER STICKS: Just open the container and smell the scents from small holes of the inhaler. A great number of individuals have found many benefits of using inhaler sticks...from easing headaches, nausea, stuffiness, panic attacks, etc. Each homeopathic remedy is determined by the type of essential oil or blend used.  Consult your health care professional for specific instructions on the type of oil to use.