Designed for inserting ears, it is more stable to wear while sleeping. With the help of three-point support, the design of rhino horn conforms to ergonomics, making it more comfortable to wear. Ear plugs for sleeping peacefully through the night, sound blocking out while you sleep, such as noise from a nearby freeway or a snoring partner, no more noisy interruptions. The noise-reducing silicone earplugs can be cleaned with warm soapy water and used repeatedly. Earplugs are made of high-grade silicone materials, BPA-free, odorless, soft enough. 100% New Brand ana high Quality Soft feeling, Anti-Noise, Durable, Waterproof Material: Silicone Shape: Spiral