"Does the shifting sun force you to drag a heavy, unstable umbrella stand across your patio? A sudden breeze can turn a relaxing day into a frantic rush. This Outsunny umbrella base offers a dual stability system, holding up to 110 lbs. of sand for peace of mind. Four wheels provide effortless mobility, while its versatile tube fits both 1.5"" Dia. and 1.89"" Dia. poles, making this patio umbrella base a dependable addition"