Keep your parasol umbrella firmly on the ground in all weather conditions with this base from Outsunny. Made from cement with a polished black surface to finish, it won't fall over, even in high winds, whilst keeping a sleek and stylish appearance that looks great in your garden. The adjustable side screw gives you control and allows the pole to stay firmly in place without randomly moving back. You won't get caught relaxing with unwanted shade again. Features: Made from cement with a beautiful polished black finish. Weights 11kg, ensuring it will keep in place during all weather conditions . Adjustable pole screw allows you to be in control. Fits parasol poles with diameters 30mm, 35mm and 38mm  Base thickness: 3.5cm Easy to clean and maintain. Easy assembly required.