【Balcony Umbrella Stand Material】Galvanized metal surface, strong oxidation resistance, not easy to rust, suitable for outdoor use. With the umbrella stand, you can easily attach a beach umbrella, garden umbrella, flagpole, and more to the balcony or table. 【Railing Umbrella Stand】The umbrella stand can accommodate umbrella poles of various diameters from 16 to 38 mm. It is flexible and can help you securely attach umbrellas to the balcony railing. 【Easy Installation】The umbrella clamp clip can be quickly mounted on the railing and the position can be changed. Quick installation, quick release. 【Space Saving】: Perfect for balconies, small terraces, and camping, as it means no umbrella base is needed, saving space. Suitable not only for umbrellas, but also for torches, flagpoles, etc. 【Fits Most Umbrellas】This garden umbrella clamp can be adjusted for different umbrella thicknesses and is suitable for small, medium, and large umbrellas. Ideal for use on any angular surface, such as