Outer fold:380g/m2 water-proof,grey color cotton canvas;middle fold:70g/m2 non-woven fabric;Inner fold:180g/m2 green color cotton canvas. Bracket:Diameter 38thickness1.5mm and Diameter 25thickness 1.5mm Steel Pipes Dimension:6.25?.8 Our products have passed ISO9001 Quality Authentication,the quality is very high,and exporting to many different countries and reas. Should you have any enquiry about army tents pls don't hesitate to ask! We can design and manufacture as clients' requirements!