**Product Specifications:**
**Brand:** BOLON
**Frame Shape:** Retro round
**Frame Material:** TR + titanium
**Temple Material:** β-titanium
**Frame Weight:** Approximately 10.5g (excluding lenses)
**Gender:** Unisex
**Nose Pad Type:** Adjustable ceramic non-slip nose pads
**Colors:**
B90: Silver
B12: Gold
Transparent frame
Glossy black frame
B13: Rose gold
B93: Rose gold
Transparent frame
Transparent frame
**Display:**
BT6020B90: Silver transparent frame
BT6020B12: Gold glossy black frame
BT6020B13: Rose gold transparent frame
BT6020B93: Rose gold transparent frame