1. Garden, Yard and College Windmills 2. Steel construction 3. Powder coating 4. Color available 5. Assembly required The windmill is made of steel construction with powder coating finish, which assure your garden windmill will be durable and rust free for many years. Windmills - 4Foot - 6 Foot - 8 Foot - 10 Foot - 12 Foot - 18 Foot - 22 Foot and 30 Foot. Ornamental Windmill