Recommended by AskDoctors Japan! ! UNICHARM new product! ! There are iron wires buried this time! ! 56 pieces in a box (not individually packaged) M / L SIZE Size: M: 13.5 x 7 cm L: 14.6 x 7.6 cm AskDoctors confirmed that the Japanese hospital brand is more protective than the masks on the Japanese market and is suitable for long periods of time Wear~~✅ Japanese design, comfortable to wear and won’t stick to your mouth✅ Very ample sense of space✅ Ear-hanging position