we are a professional greenhouse manufacture company in china, ours were popular with oversea customer as high quality. Specifications:1) Thickness: 4mm, 6mm, 8mm, 10mm(Twin-wall);2) Width: standard width is 2,100mm3) Length: any dimensions (5800mm & 11800mm for the container)4) Color: clear, blue, green, opal, brown, red and so on.Special specification and color can be customizable. ...