Features:1.the devices are safe&easy to use and made of high quality medical soft silicone,they are suitable for long-time use.2.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.3.the snoring relief helps reducing snoring,nasal congestion,heavy breathing and other breathe risks,enjoy good sleep every night.4.we provide 4 sizes 2 different style reusable vents to suit any size nostril/nasal passage.5.the snoring aid was made of flexible silicone to make your sleep feels natural and sizes designed to the general shape of nostrils help lift the nasal passages to improve airflow,it is kind to your nose. About Shipping: All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances.Any questions, please feel free to contact us During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours, wish you a happy shopping Thanks for your cooperation and we'll make you feel satisfied.