bout this itemHEARING PROTECTION - Noise Reduction Rating 26dB (NRR) can reduce most of the noise in your daily life. whether it's a pleasant airplane trip, an exciting concert, or a noisy construction sites and motel, we can help you.WASHABLE & REUSABLE Soft silicone materials, these noise cancelling ear plugs are waterproof, washable and reusable. it can also block water from entering the ear canal during water sports such as swimming and surfing, making you relax and more enjoyable.ULTRA COMFORTABLE - Earplugs are made of pure silicone materials, hypoallergenic & non-toxic, skin-friendly & BPA free. super light soft design for all-day comfortable, one size fits allADJUSTABLE & EASY TO USE - The one-piece three-story Christmas tree design and long stems make it easy to stuffed into your ears or pull out slowly. you can adjust the depth of the earplugs according to the comfort of the ear canal. if you are side sleepers, you can cut off the excess long stems to keep your sleep comfortablePORTABLE - 10 pairs of earplugs with 10 pieces plastic boxes carry case, that you can keep in your pocket or bag to keep it clean and safe