8Pcs Anti Snoring Nasal Dilators Nose Clip Vents Sleep Aid Snore Device Features: 1. The anti-snoring devices has a unique design that prevents snoring.it maximizes airflow in the nasal cavity. Let people around you make a sweet dream. 2. The snoring relief helps reducing snoring,nasal congestion,heavy breathing and other breathe risks,enjoy good sleep every night. 3. We provide 4 sizes 2 different style reusable vents to suit any size nostril/nasal passage. Specifications: Material: Silicone Package Included: 8Pcs/Set Nose Vents Clip Note: 1. Due to different personal measurement methods, there will be an error of 1-3 cm, please understand (1 inch = 2.54 cm) 2. Besides different computers display colours differently, the colour of the actual item may vary slightly from the below images, thanks for yourunderstanding. Thanks for your support :)