NOISE REDUCTION - Earplugs are reusable and durable hearing protection, made from soft silicone. They reduce most noise and help you focus. OPTIMAL COMFORT - These noise reducing earplugs come in 4 different sizes, so you can always find the perfect fit. The iconic round shape of Loop Quiet sits perfectly in your ears. MULTI-PURPOSE - These are versatile earplugs that offer protection from loud noises and background noise in many situations. They are great for sleeping and can help you focus while studying, working, or reading. They are also ideal for traveling or commuting. EASY TO USE - These earplugs are easy to insert and when worn correctly, they don't stick out of your ears. They come in 4 sizes (XS - L). If your ears hurt, it is best to choose a smaller size. If the earplugs do not reduce sound sufficiently or fall out, try a larger size. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin