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 the noise reduction effectively for proper fit. With a special grooved upper for easy pinching, ideal for side sleepers, snorers, studying, working, etc. LIGHTWEIGHT & ULTRA COMFORTABLE: The ergonomic tri-flange earplugs are designed to stay in place even if you sleep on your side, and are made from a soft, lightweight material that is 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 sleep earplugs safe and clean wherever you are at home or travelling. Washable and reusable, clean them regularly with warm, soapy water so you can use them for a long time. MULTIPLE OCCASIONS: Noise canceling earplugs, noise reduction level, these multi-use earplugs guarantee to protect your hearing from loud noise, ideal for sleeping, snoring, swimming, studying, shooting, air travel, loud events, concert, motorcycles, etc. SATISFACTION GUARANTEE: We want you to enjoy our comfortable earplugs, Please feel free to contact our support team if you have any issues with the earplugs Note: Data are all measured manually, please allow for an error of 1-3cm. Due to differences in light and display, there may be a certain color difference, which is subject to the actual object received.