【Ultra-Comfortable Fit】 Lightweight, soft silicone reusable earplugs provide dreamy comfort day and night, even for side sleepers. Includes 4 sizes of ear tips (XS/S/M/L) for a perfect fit, even for small ears. 【Powerful Noise Reduction】 Soft silicone with a maximum SNR of 30dB blocks out noise comfortably and stylishly. Be enveloped in a bubble of silence wherever you are, improving sleep quality, concentration, and enabling stress-free travel. 【Ideal for Sleep, Focus, etc.】 The S01 instantly reduces noise in any situation, such as sleep, focus, relaxation, travel, commuting, and noise sensitivity, protecting your hearing. QuietZone is easy to clean and long-lasting. 【Ease of Use】 The S01 is easy to wear, with adjustable ear tips in different sizes. It provides optimal noise reduction while ensuring all-day comfort. Simply insert, twist to secure, and enjoy life at your own volume. When worn correctly, the S01 will not protrude from your ear. Package Contents: S01 Earplugs x 1 set, S01 Ear Tips x 4 sizes (XS/S/M/L), Convenient carrying case x 1.