This product is an optimized bracelet, baked color, with varying shades of color, imitation Sugilite bracelet! Width is about 12-15mm, inner diameter 54-68mm, semi-handmade and semi-mechanical. Slight deviations are normal, so be cautious when pursuing specific designs! For large quantities, contact customer service two days in advance! Shipping can be paid on delivery, using Debon, Yunda Express, Yimi Dida, or Aneng