Specification: Material: Super soft silicone Color: Black Size: 4 different sizes Package: 1 pair of earplugs ,4 sets of silicone ear tips (XS S M L) Easy To Use You can change the eartips yourself to a size that fits your ears better with our sleep earplugs, the correct eartips will not make your ears sore and they will not fall out when you sleep on the side. The ear plugs for sleep are suitable for a wide range of environments, Sleep, Work, Study, Shooting, Loud Snore, Crowd, Events, Riding, etc.Reusable Washable:The reusable ear plugs easy to clean, waterproof, durable and washable, which can be cleaned with confidence when soiled, will not be damaged, the ear plugs can be reused for many years, very good value for money. Ergonomic Design:The silent earplugs are made of soft silicone that is reusable and protects hearing. The muffler earplugs are designed with a curved ring and fit 360 degrees into the ear canal, so they won't cause discomfort if worn for long periods of time and you won't even feel them. Multipurpose:Mute earplugs are multipurpose earplugs they reduce most noise. Noise-cancelling earplugs are great for sleeping and can help you concentrate on long flights while studying, working or reading. But it can also be used for concerts, maintenance, construction and to protect your hearing while riding a motorcycle. Extreme Comfortable:The sleep ear plugs with the ergonomic design, helps provide a secure fit and they are not easy to fall, even as you side sleep. Made from soft hypoallergenic memory foam and super soft silicone material, the noise reduction ear plugs fit greatly in most ears to maximize comfort. Optimal Comfort:These noise reducing earplugs come in 4 different sizes, so you can always find the perfect fit. The iconic round shape of sits perfectly in your ears, making it a fashionable accessory that protects your hearing.