I'm selling items I bought this year but didn't use to someone who will. They may have been opened for photography, but they are unused. Reference page: https://amzn.asia/d/gzsBCEn Retail price was around 2000 yen. Earplugs for sleep, completely soundproof, noise-canceling earphones, sound insulation filter type, earplugs that only allow snoring to be heard, good sleep, sleep aids, noise reduction measures, travel, live performances, work, silicone, washable, unisex, 14 Earplugs for sleep, completely soundproof, noise-canceling earphones, sound insulation filter type, earplugs that only allow snoring to be heard, good sleep, sleep aids, noise reduction measures, travel, live performances, work, silicone, washable, unisex