- 45 dB Deep Noise Cancellation: These ear plugs use advanced noise isolation technology with precision materials and design to block up to 45 dB of noise, about 67% more than conventional sleeping ear plugs. Suitable for noisy airplane cabins, busy offices, a partner’s snoring at night, concerts, factory noise, or a quiet library to help you stay focused. - Ultimate Comfort and Fit: Made of 100% super soft skin-friendly silicone that fits the contours of the ear canal. Four sizes XS, S, M, L, each with dual form ear flaps, ensure a perfect fit for all-day comfort without pressure, irritation, or allergic reactions, even for side sleepers. - Certified Hearing Protection: Upgraded ear plugs reduce volume without compromising sound quality. They meet the US standard for hearing protection, helping protect your hearing health during prolonged exposure to high noise levels. - Environmentally Friendly and Reusable: Made of durable, environmentally friendly materials and designed for reuse. Can be cleaned 1000+ times; silicone ear plugs offer up to 6 years of service life. Each pair helps reduce pollution from 1800 disposable earplugs, supporting a greener future.