Provide Strong Support for Your Outdoor Leisure Time!Our 25'' square umbrella base stand is made of premium steel with a powder-coated surface, which is weather-resistant and rustproof, ensuring long outdoor service time. It has great solidity and would not let the umbrella tilt easily. Besides, with 2 adapters of different sizes, the outdoor market umbrella fits various umbrellas with 1.6'' or 1.9'' umbrella poles. Moreover, you can tighten the knob to secure the umbrella pole in place, ensuring extra stability. It is also equipped with 4 anti-slip footpads to keep stable on uneven ground while protecting your floor from scratches. With clear instructions and all necessities, you can finish installation in a short time. This versatile umbrella base allows you to enjoy joyful outdoor time in the yard, balcony, terrace, poolside, cafe shop, and so on.