Ergonomic Design: Our special patent oval earplugs are designed on ergonomics and optimal fit in the ear canal, they can mold to the ear cavity to maximize comfort and help provide a secure fit to block noise reduction effectively for the proper fit. With a special grooved stem for easy pinching, ideal for side sleepers, snorers, study, work, etc. LIGHTWEIGHT ULTRA COMFORT: Ergonomic tri-flange earplugs are designed for stay put - even if you're a side sleeper, and are made from a soft, lightweight material that's comfortable to wear. In addition to comfort, let needed sounds in (like your alarm clock) while keeping distracting noises out. REUSABLE WASHABLE: Comes with a sturdy plastic case to keep your earplugs safe and secure and clean wherever you are at home or on the go. Washable and reusable, clean them regularly with warm soapy water to ensure you can use them for a long time. MULTIPLE OCCASIONS: Noise canceling earplugs, noise reduction level NRR 32dB, these earplugs multi-use earbuds guarantee to protect your hearing from loud noise, ideal for sleeping, snoring, swimming, studying, shooting, air travel, noisy events, concert, motorcycles, etc.