Enjoy a quiet environment- Block out noise to protect hearing, eliminate distractions while you sleep, and help you focus while studying. Soft and comfortable- The Lightweight, dense, tapered PU foam ear cups provide all-day comfort and protection in a variety of noisy environments, and soft foam provides maximum comfort. Hearing sensitivity, ear size are very individual characteristics. Please confirm the size of this earphone fits your ear canal before purchasing. 60 Pairs of Foam Earplugs- Each bottle contains 60 pairs of earplugs in random colors , fully meeting your needs. A good size to fit most ear canals. Be sure to replace the ear tips with new ones within 4-6 days to keep the ear canal clean. 38dB Noise Canceling Headphones- Noise reduction level up to 38dB. Perfect for sleeping, it easily isolates unpleasant noise from the outside environment and effectively suppresses snoring, nighttime traffic noise and noisy neighbors. Wide Use- The earplugs made of foam are suitable for sleeping, studying, shooting, flying, concerts, traveling, relaxing, motorcycling, sports recording, home renovation or other noisy outdoor activities. They are great noise cancelers for your daily life.