The canopy is extra-thick PE fabric. This tent cover carport is made of 180g reinforced PE fabric, its also Tear Resistent and as well Water Resistant. 
As well the package includes 3 Stable Steel Cables. The 3 steel cables form a strong stable triangular structure to prevent structural torsion and withstand some external pressure.
The big plus is the 38mm Galvanized Tube. No one else offer a Galvanized Steel Pipe and in this size 38mm with thickness of 0.8mm which can be categorized as a Heavy-Duty and also Anti-Rust

Carport Specifications

Size: 10 x 20 x 8.7inch (H) / 3 x 6 x 2.65m (H)
Peak Height: 2.65m
Sides Height: 1.8m
Cover/Door Material: 180g PE, UV protected, waterproof
Frame Material: 1.46in (38mm) galvanized steel
Cover Color: Gainsboro
Gross Weight: 83lbs / 38kg

Package Includes:

1x Steel Frame
1x Top cover
1x Necessary assembly parts

NOTE:

Please when using don't forget the carport is NOT fireproof, make sure you keep it away from fire sources. Thank you.