4Pc Of Snoring Rings Stop Snoring Nose Clip Helps Stop Sleep Aid Guard Case Care Tray Quiet Night Plus Case! ** Color/style shipped randomly** Snore free may effectively stimulate the sensory nerves of the nose, opening the nasal passage which could prevent you from snoring Snoring in general is caused by over-relaxation of the upper airway. Snoring always happens during less deep sleep. A normal and healthy sleep cycle should include at least 25% at deep sleep, so not only are you disturbing your sleeping partner, you are also not getting the quality deep sleep that your body needs to rest and regenerate. This ingenious little device controls snoring when sleeping without interfering the normal sleep cycle. Avoids soft turbinate dropping and helps rest the tongue at normal position, thus opening up the nose cavity while breathing. Listing is for 4 pcs.