This half umbrella' sturdy metal frame with 5 rib frames to supports a UV resistant half round parasol polyester canopy for reliability. The top vent design of this half parasol umbrella not only can provide air flow, but also can reduce the situation of being overturned by wind. Open and close the half garden parasol in seconds with the easy-to-turn handle located on the side of garden parasol pole. Attractive and stylish, suitable for using against the wall. The balcony parasol is ideal for balcony, patio and any other outdoor area.