Ensure the stability and security of your outdoor umbrella with our high-strength HDPE umbrella holder, designed for durability and ease of use. Weighing only 33 lbs, this lightweight base is crack-resistant, waterproof and weather-resistant, making it ideal for outdoor use. Featuring a cross base for added stability and two fillable holes for sand or water, it can support up to 280 lbs with water or up to 440 lbs with a sand-water mixture. This ensures your umbrella remains secure and prevents tipping. The base includes four discreet wheels for smooth rolling, allowing easy movement between different outdoor settings such as poolside, backyard or deck. Sized at 35 x 35 x 7 inches, it is perfect for umbrellas with diameters of 9-11 feet. No installation is required, making it simple to use and hassle-free. Ensure to measure your umbrella pole size before purchase for the best fit. Color: Black. Material: Polyethylene.