materials and comfort: Made from quality silicone, these sleep earplugs are durable and designed for longlasting use. The ultrasoft profile adapts to different ear shapes, delivering comfortable wear and effective noise reduction. Effective noise isolation: These noisecanceling earplugs help block out urban noise such as street traffic and television at night, creating a quiet space. They provide hearing protection but are not completely soundproof. Versatile applications: Suitable for sleeping, studying, and traveling. The circular design helps block a range of noises, supporting better sleep and improved focus. Ideal for light sleepers and frequent travelers. What's included: A set of black circular earplugs in a box, available in sizes S, M, and L to fit most ear canals. They are comfortable, portable, and economical, designed to enhance your sleep and work environments. Practical use scenarios: Sleep in noisy urban environments to improve rest and ease waking. Study or work in noisy spaces (dorms, cafes, open offices) to maintain concentration. Travel on planes, trains, or buses to reduce ambient noise and enjoy quieter sessions.