REDUCE NOISE - Provides safe, non-toxic, non-allergenic waterproof protection and protects hearing from loud noises. Carry a Noise Reduction Rating (NRR) of 33 decibels. A COMFORTABLE FIT - FBFLs multi-use earplugs are great for sleeping, snoring, swimming, studying, bathing, travel, loud events, concerts, flying discomfort, motorcycles, etc. Lab tested and proven to help relieve airplane ear pressure and pain due to flying. The rounded shape of the Loop fits naturally in your ear or pinna. SOFT AS A PILLOW TO PROTECT HEARING- Made of an extra-soft silicone material, you will hardly feel anything in your ear while wearing these sleep earplugs, No discomfort or pain, just undisturbed peace and quiet. These earplugs are non-toxic. PREVENTING EAR INFECTIONS - Safe for use with ear tubes. Provides protection after ear surgeries. Also helps prevent Surfers Ear (exostosis). REUSABLE WASHABLE - No need to keep repurchasing a new pair. You can wash our FBFL silence silicone earplugs safely and use them again and again for many years - one-time purchase, value for money.