My family used this for a few days, but we're selling it because we switched to a different type. ◡̈⋆* It's in beautiful condition overall, but there's some slight fraying near the clasp. Please check the photos to confirm the condition and purchase with your understanding. ◡̈⋆* - Brand: Phiten - Model Name: X100 Carbon Black - Material: Carbon Fiber - Color: Black - Shape: Necklace - Retail Price: ¥29,700 (tax included) ★ The highest-grade model of Phiten necklaces. ★ Uses Aqua Titanium X100, which is about 100 times more concentrated than usual. ★ It seems that it is no longer sold at official stores.