Tips to Remove 1. Use a slow, twisting motion to gradually break the seal. A sudden movement may cause damage to the eardrum. 2. Discard when the earplugs are soiled or no longer sticky. 28dB Noise Reduction Certified by ANSI and CE, Mpow earplugs are able to block the surrounding noise, thus protecting your hearing with 28dB noise cancellation. Most of the unwanted noise will be blocked to protect your ears. Keep Away From Infants Please keep the earplugs away from infants and small children as they may eat them accidentally. Though the earplugs are made of BPA-free and non-toxic material, it may interfere with breathing if caught in windpipe. Multi-feature With the features that can seal out water and reduce noise, these earplugs can be used among different environment like home, airport, pool, etc. and be used for multiple purposes like swimming, showering, sleeping, working and more. Ideal for Swimming Mpow waterproof earplugs help to block out water and relieve water pressure, thus prevent swimmer’s ear from an ear infection and other problem. Ideal for swimming, showering, surfing and many other events with water. Sleeping Snoring noise from others and ourselves can disrupt sleep and lead to mental unhealth issue. Let Mpow earplugs save you from the annoying noise and sleepless night regardless of your sleeping style. Traveling For people who fancy traveling and have lots of business trip, these earplugs help to reduce noise on airplanes, trains, buses, and hotels. Get yourself a rest and relaxation with Mpow Earplugs. Working For those who work in noisy environment such as construction site, these noise reduction earplugs help to reduce the surrounding noise and protect the ears from potentially harmful effects of exposure to loud noise. Suitable for the concert, carnival, firework show. Note: 1. Do not form an elongated shape. 2. Do not insert into ear canal, as it will be difficult to remove! COVER ONLY! 3. When not in use, please store the earplugs in the supplied travel case.