... function 5.plastic Presentation double french doors with windows Information Product Namedouble french doors with windowsOpening Stylehorizontal slidingMaterialframe ... no air bubble,clean color without impurity .glassglass :single /double /triple layerincluding :4mm ,5mm ,6mm,8mm ,10mmspace: ... Kcolor:black ,white ,grey ,etchardware:window & door lockreinforment steel: 1.2mm ,1.5mm ,1.8mm ,2.0mm ,2 ...