I purchased these for school use due to increased sensitivity to sound at the start of the school year, but I rarely used them and have since calmed down, so they've been in storage and are in good condition. 3M Peltor X4A green color earmuffs with high noise reduction performance. - Brand: 3M - Model: Peltor X4A - Color: Green - Price: ¥4,291 Thank you for looking.