Pair of extenders increases inside width and height of the Chippendale Arbor to 100W and 108H inches at ends.About ACHLA Designs This item is created by ACHLA Designs. ACHLA is a garden accessories company that emphasizes unique wood and hand-forged, wrought iron European furnishings for the home and garden. ACHLA Designs continues to add beautiful and unique items year after year, resulting in an unusually large product line. All ACHLA products are stocked in the company"s warehouse for year-round, prompt shipping. ACHLA Designs takes great pride in offering exceptional products and customer service.