Noise reduction: This upgraded noise cancelling earbud features a noise cancelling outer ring and an internal sound filter for a more effective noise reduction experience, and these sleeping earbuds reduce noise by approximately 28dB. You can still hear everything, just a little quieter. It reduces the impact of noise on you, helps you fall asleep and enjoy peace and quiet in a noisy environment. Comfortable, fashionable and easy to clean: made of super silicone material, soft and comfortable to wear. It is very flexible and comfortable to wear. The ergonomic design fits snugly into the ear canal, ideal for sleeping on your side and providing a comfortable experience. Can be cleaned and reused. Silicone earplugs come in different sizes for you to choose from, so you can always find the perfect size. Portable storage case: These noise cancelling earbuds come with an easy to open clamshell case for easy access and portable storage. The box is strong and durable, and can always protect the earbuds from being damaged, ensuring long term comfort and durability. Versatile: Our earplugs are versatile and perfect for a variety of activities including sleeping, concerts, motorcycling, shooting, working, studying, showering and other noisy places. By using different types of earplugs, it can adapt to different situations and achieve the best noise reduction Easy to use: The earplugs are ergonomically designed and easy to insert, and when worn correctly, they don't stick out of the ear. They have 3 sizes S/M/L, which can be used in different sizes according to different wearing comfort.