Earplugs for Sleep, Ear Plugs, Soundproof [Storage Case with Strap] Mimizen, Super Powerful Noise Canceling, Professional Soundproof Earplugs, Sleep Goods, for Work/Study/Music Activities/Live/Travel/In-Flight, Noise Reduction, 32dB Reduction, Hearing Protection, Made of Silicone, Washable, Unisex [Professional Soundproofing Performance] Sleep earplugs reduce noise by up to 32dB (compliant with JIS S 4201 standards) thanks to their special 3-layer silicone structure. They block out all kinds of everyday sounds, such as construction sites, commuter trains, and office noise. The advanced algorithm-controlled ANC (Active Noise Canceling) function, equipped with a dual-core digital filter, improves sleep quality and concentration. By wearing them when you are concerned about surrounding sounds, such as during sleep, work, study, or in public places, they block out unpleasant sounds in your ears. A "sleep guardian shield for those sensitive to sound" that contributes to hearing protection. [Sleep-Specific Comfortable Design] Made of reusable, lightweight, soft silicone material. Ergonomic design ensures zero pain or discomfort even after long hours of wear. The "anti-slip/anti-fall structure" that adheres closely to the ear canal ensures ultimate comfort even when sleeping on your side. Aerodynamic shape disperses ear pressure, and the synergistic effect with the ultra-flexible material maximizes soundproofing performance. [Hygienic Long Life] Washable antibacterial silicone (SEK antibacterial certified). Resistant to sweat and sebum, with a 1-year wear guarantee. The included storage case with a strap is convenient for clean storage and portability, and you don't have to worry about losing them. Protects earplugs from dust and moisture. Deep sleep, snoring prevention. Quickly blocks out outside noise, allowing you to enjoy a quiet atmosphere without being disturbed by the outside world. Realizes disturbance blocking in various scenes such as swimming, studying, airplanes, and concerts. [Fits Everyone] Earplugs that instantly reduce noise in any situation and protect your hearing. Recommended for those who want to improve sleep quality, those who want to reduce noise and sleep soundly, those who want to concentrate on studying or working, those who want to protect their ears from noisy environments such as live performances, and those with auditory allergies or phonophobia. 85% fit rate for men, 92% for women, and 78% for children (third-party testing). Recommended for those who want to protect their ears from noisy environments such as live concerts, and those with hearing loss or phonophobia. Compatible age groups: children (5 years and older), adults, and the elderly. [Ready-to-Use Full Equipment] Contents: 4 pairs of ear tips (XS/S/M/L), 1 pair of earplug bodies, 1 storage case with strap. A "sleep start kit" that can be used immediately after opening.