Wubio 81-Pound Heavy Duty Square Concrete Rolling Outdoor Patio Umbrella Base Stand w/Locking Wheels, Handles，Product Dimensions-19.5 x 19.5 x 16.5 inches，Item Weight-81.6 pounds

MOBILE UMBRELLA STAND: Made with a set of collapsible handles and four locking wheels to move your umbrella anywhere in your yard, patio, or garden SOLID CONCRETE: 81 pounds of robust concrete provide your umbrella with a solid anchor against heavy wind and rain ONE SIZE FITS MOST: Holds umbrella poles up to 2 inches in diameter with an adjustable tightening knob to keep the pole in place DURABLE CONSTRUCTION: Made from heavy concrete with a weather-resistant polyurethane jacket for added strength and longevity to last many years SUBTLY STYLISH: Clean, black finish seamlessly complements most outdoor decor and won't detract from your patio or garden; OVERALL DIMENSIONS: 19.5"(L) x 19.5"(W) x 16.5"(H)