... alloy frame,polycarbonate,channel steel 4)accessories:plastic strip 1)Garden Greenhouses 2)model:38# 3)material:aluminium alloy frame,polycarbonate ... include Germany,Australia,Russian,England,Poland and so on.Detailed Product Description1), strong aluminum frame with gutter system. 2), 4mm sunshine ... .5), Easy to assemble and DIY per the assembly Instruct Garden Greenhouses 38#