New! Clinically Proven to Significantly Reduce Snoring Fits Comfortably Inside Nasal Passages Drug free, Latex Free & Adhesive Free Soft & Pliable Contains 14 Day Supply of Size 6 (L) Breathing Aids Eco-Friendly Product Recommended by The Sleep Doctor - Michael Breus PhDAccurate size selection is necessary for maximum relief.Size 6 (L) (fits most larger adult noses).What causes nasal snoring?Primary nasal snoring is often the result of congestion (narrowing of the nasal passageway) or relaxation of the nasal passages which causes the tissues to vibrate during sleep. Snoring sound volume levels are the result of that vibration. Narrow and/or relaxed airways leads to vibrations and loud snoring. Brez opens up the airways and supports the tissues. Brez reduces the vibration, and as a result, reduces snoring.Using Brez is Easy!Simply insert Brez into the nasal passages. See enclosed insert for complete instructions.How it works: Soft and pliable, Brez lifts to expand the interior walls, supporting the nasal passages.