FEATURES: The height of the boom can be adjusted,adjustable height:12-23.6 inch. space saving,large capacity, anti-absorbent and easy to clean, a variety of wine glasses can be stored. MATERIAL: Made of high quality metal,high temperature anti-rust paint.Process: alloy plating process, artificial welding,durable. APPLICABLE PLACES: families, bars, cafes, hotels, restaurants,offices,kitchen,commercial cellars and various high-end clubs. USER-FRIENDLY DESIGN:Storage take convenient,upside-down wine glass easier to be taken, items placed safely, is a high quality, cost-effective hanging shelves. Please note that because the gypsum board has insufficient load-bearing capacity, customers who have a gypsum board on the ceiling should not buy it,ceiling is cement or wood board customers, please rest assured buy.