Your umbrella should follow the sun—not chain you to a single spot. That's the thinking behind this round umbrella base. It gives you everything you expect from a premium stand: reliable weight, weather-defying construction, and secure pole grip. Then it adds something you didn't know you needed: mobility. The sun doesn't stay still. Neither should your shade. Whether you're starting with morning coffee on the east side of the patio, moving to the pool by noon, or chasing the last golden light of evening, this base rolls effortlessly wherever you need it. Four hidden wheels underneath make the difference. When you want to move, tilt slightly and glide. When you want to stay, the built-in lock function engages—no slipping, no unwanted rolling, just rock-solid stability. Effortless Mobility with Four Wheels: Unlike traditional umbrella bases that lock you in place, this stand features four smooth-rolling wheels underneath. Tilt, move, and reposition your shade to follow the sun or accommodate changing seating arrangements—without heavy lifting. Secure Lock Function for Stability: When you've found your perfect spot, engage the built-in locking mechanism to prevent unwanted rolling or tipping. Your umbrella stays firmly planted—even on breezy days. All-Weather Resin Stone Construction: Crafted from premium resin stone that is UV-resistant, waterproof, and rust-proof. It won't fade, crack, or deteriorate, offering enduring stability and low-maintenance beauty through every season. Adjustable Fasteners for Two Pole Sizes: Equipped with two versatile adjustable fasteners, this base securely fits umbrella poles with diameters of 1.5 inches and 1.9 inches. No special tools or adapters required. Simple Assembly, Immediate Use: Comes with all necessary hardware and detailed instructions. You'll have your umbrella securely mounted and ready to provide shade in minutes—no professional installation needed. Product Specifications Material: Resin Stone Dimensions (with wheels): 20.5" Diameter x 16.1" H Color: Bronze / Black Compatible Pole Sizes: 1.5" (38 mm) and 1.9" (48 mm) Assembly Required: Yes – hardware and instructions included Indoor/Outdoor: Suitable for patio, deck, poolside, garden, balcony