This minimalist parasol base is very good quality and very decorative as well. Our solid granite parasol base provides a firm and sturdy base for holding your umbrella and keeping it from tipping over or being blown away. Made of strong granite, this umbrella weight plate is extremely stable and ensures your parasol stand still even in windy weather. The umbrella holder has 2 locking bolts to keep the umbrella pole in place. One adapter is included, making the parasol base holder suitable for parasol poles with diameters of 38 mm.