Mack's Sound Asleep Soft Foam Earplugs are a natural, drug-free sleeping solution. Made with super soft, silky smooth comfort foam, these are perfect for extended wear in situations where extreme comfort is paramount. The unique hollow end maximizes comfort, especially during sleep. Great for relief from snoring spouses, noisy neighbors, air travel, etc. Sound Asleep carries a high noise reduction rating (NRR) of 32 decibels and a Single Number Rating (SNR) of 37 decibels to help protect hearing and to get a good night's sleep. With these Mack's Sound Asleep Soft Foam Earplugs, you can treat yourself to comfort AND protection, while blocking out snoring, harmful noise, loud neighbors or just relaxing with a good book. Please carefully follow the package and video instructions to ensure the best fit and performance.