NOISE REDUCTION - Provides safe, non-toxic, non-allergenic waterproof protection and protects hearing from loud noises. Have a noise reduction rating (NRR) of 33 decibels. COMFORTABLE FIT - multi-use earplugs are perfect for sleeping, snoring, swimming, studying, bathing, traveling, noisy events , concerts, discomfort in flight, motorcycles, etc. . The rounded shape of the loop adapts naturally to your ear or pinna. SOFT AS A PILLOW TO PROTECT HEARING - Made from an extra soft silicone material, you will hardly feel nothing in your ear when wearing these sleep earplugs, no discomfort or pain, just undisturbed peace and quiet. These earplugs are non-toxic. PREVENTION OF EAR INFECTIONS - Safe for use with ear tubes. Provides protection after ear surgeries. Also helps prevent surfer's ear (exostosis). REUSABLE AND WASHABLE - No need to keep buying a new pair. You can safely wash our silence silicone earplugs and use them again and again for many years to come - one-time purchase, value for money.