Soft silicone earplugs that fit deeply into the ear to support comfortable sleep. - Product Name: SLEEP EARPLUGS - Material: Soft and skin-friendly silicone - Features: Deep-fitting design - Size: Approximately 22.5 x 5.5mm [Supervised by Sleep Professionals] Earplugs for complete soundproofing, Ewbob earplugs for sleep, 55dB noise reduction, noise-canceling earphones for work/study/live performances/travel/in-flight use, only snoring can be heard, with storage pouch, hearing protection, silicone, washable, reusable, unisex (4 sizes S/M/L/XL) Amazon price: 2999 yen