Flexible Design: This sturdy umbrella holder is suitable for umbrella poles of different diameters, from 2.5 to 3.8 cm, which can be firmly fixed on square railings and balcony benches, etc. Easy to Install: The umbrella clip can be installed quickly, and the large clip can be fixed wherever you want, fix it on benches, fences, brackets, tailgates, boats, poles, etc., and the position can be changed arbitrarily. Durable Material: Made of heavy-duty steel, very sturdy, black paint finish, rust-resistant and durable. Space Saving: With the accessories on the balcony railing, you can leave more space for your use. Product Dimensions: Length x Width x Height: approximately 13 x 11.5 x 15 cm