• Lens shape:  Cylindrical
• Lens options:  polycarbonate lens/polarized lens/photochromic lens/high contrast lens
• Lens Function:  high impact resistance, UV400 protection/anti scratch
• Frame material:  environment - friendly material is available, bio-based and TU90 materials
• Feature:  roll off system and tear off system both of are available
• Patent:  Owned the EU/Chinese design patent