Patented design; Durable stainless steel frame,acrylic lens,plastic temple; Latest style, lightweight and comfortable R14019 lastest fashion ... FRAME width: 140mm1) Material : durable stainless steel frame,plastic temple,acrylic lens; 2) Latest style, lightweight and comfortable;3) No solder ... , no harm to environment;4) Lens:impact and scratch resistant;5) Power range:+1.0 ...