Two flexible "spring-like" pieces gently lift upwards the congested nasal passages so you can breathe through your nose, close your mouth and stop snoring, allowing you and your partner to get a good night's rest. Great Value Nasal strips for people who would like to reduce or stop their or their partners snoring but don't want to pay through the nose to do it. Used for relief nasal congestion caused by cold, allergy and rhinitis.Its usage is quite simple, safe and effective. No side effects. Size: approx. 55mm*16mm,Improves airflow by 31%. (We have two sizes the large size :66mm*19mm the small size: 55mm*16mm choose which you suits Free choice, you can buy 100 count to try at the begining ,and if you are satifisted with our products, you can purchase 300 500800 count or more.