Ensure your outdoor oasis remains both stylish and secure with the Heavy Duty Cantilever Offset Umbrella Stand Base. Engineered to provide exceptional stability for 9-10 ft. cantilever umbrellas, this innovative base features a universal 39.37 in. x 39.37 in. cross design that accommodates most offset patio umbrella models. Constructed from thick, weather-resistant HDPE plastic, it can be filled with sand (up to 264 lbs.) or water (up to 176 lbs.) to withstand strong winds and keep your umbrella firmly in place. The four easy-access spouts with twist-off caps simplify filling and emptying, while textured grooves on the surface prevent slipping. Durable, practical, and built for long-term use, this umbrella base offers peace of mind for seasons of outdoor enjoyment. Color: Black. Material: Polyethylene.