22dB NRR noise cancelling ear plugs: Schiara earplugs carry 22dB NRR, competent to block out loud noises for hearing protection. It's a perfect choice for swimming, study, sleeping, and general hearing protection in noisy environments.The ultimate in earplug comfort & easy to use: Made with ultra-soft and high-grade silicone material with a super comfortable shape that adjusts to your ear, Becheln sound blocking ear plugs can fit your ear perfectly even when worn for an extended time.Can be widely used: Schiara sleep ear plugs can easily block all types of noise. These multi-use earplugs are great for sleeping, snoring, swimming, studying, bathing, travel, loud events, concerts, flying discomfort, mowing, all noisy environments.Suit for all sizes ear: Earplugs are designed to Only Cover the ear opening, please do not push them into the ear canal. Shape entire plug into ball. Do Not split the earplugs into smaller pieces in the case smaller part causing harm to the ear.Convenient combination: Each set of earplugs come with a compact travel box, convenient carrying. Plastic box sealing ensures hearing protection earplugs from moisture, dust, and debris. included a single pair of boxes, suit for short trips and work.