This left-hand (LH) door fixed glass is a brand new, direct factory replacement for NA and NB Miata. The DOT certified glass is the perfect replacement for the aging factory glass. Design to fit both original and after market seal, the installing of the glass is effortless while giving satisfying result. Whether undertaking a full restoration of the door or simply replacing the damaged glass, the new door fixed glass offers quality and aesthetic appeal for the Miata