The California Palm Four Seasons frame and top is the strongest canopy we make, it is manufactured with a reinforced, powder coated, steel frame. The California Palm Four Seasons frame and top comes equipped with two mesh covered window cut-outs, providing ultimate flexibility. Constructed with 600 denier polyester fabric, the four seasons is built to last. Unzip the windows to provide sunlight under the canopy or to allow wind to pass through. When the sun is too bright or if rain is in the forecast, the windows can be zipped shut providing a barrier between you and the elements. It has a weight of 142 lbs.