Popular ring-shaped (donut-shaped) silicone earplugs. This type is particularly suitable for "side sleepers" because it's less likely to cause ear pain even when tossing and turning. Sleep-Specific Design Designed to be comfortable even when sleeping on your side. Soundproofing and Noise Reduction Effectively blocks out external sounds and reduces noise. Umbrella Design Features a streamlined "umbrella-shaped" design that easily fits the shape of the ear. Environmentally Friendly Material Made of skin-friendly, reusable silicone material. Checking the Fit By securely sealing the ear canal, you can maximize the "Noiselessness" described on the package. Keeping it Clean Made of silicone, it can be washed regularly with water for hygienic and long-term use. New sleep earplugs with noise reduction function, made of soft silicone for comfortable wear. - Model Name: NEW UPGRADE SLEEP EARPLUGS - Color: Black - Accessories: Multiple ear tips - Material: Soft silicone - Features: Noise reduction function - Storage Case: Comes with a case