Introducing the Fillable Mobile Umbrella Base, the perfect solution for your outdoor shading needs. This heavy-duty base is designed to provide stability and easy mobility, making it an essential accessory for your patio, deck, or any outdoor seating area. Experience effortless mobility with the set of four wheels on this umbrella base. No more struggling to move your shade from one spot to another. Simply roll the base across multiple surfaces with ease. And with the two wheel locks, you can securely position your umbrella, ensuring it stays in place even on windy days. When it comes to keeping your umbrella firmly anchored, this base delivers. The heavy weighted design provides a sturdy anchor against the wind, ensuring your shade remains stable and secure. With a weight of 136.70lbs when filled with sand or 94.47lbs when filled with water, you can trust this base to withstand various weather conditions. Refilling the base is a breeze. The hollow chamber can be filled with 120 pounds of sand or 38 liters of water, allowing you to customize the weight and stability according to your needs. Once filled, use the pair of tightening knobs to securely fasten your umbrella, providing additional support and peace of mind. Versatility is key, and this umbrella base delivers. Whether you're relaxing on your patio, enjoying a meal on your deck, or hosting an outdoor event, this base is the perfect companion. The wheels roll freely across wood or concrete surfaces, allowing you to effortlessly position your shade wherever you desire. And when you find the perfect spot, simply lock the wheels in place to ensure a stable and enjoyable shade experience. Designed to blend seamlessly with most outdoor decorations, this umbrella base features a contemporary design that adds a touch of style to your outdoor space. It is compatible with market umbrellas sized 6-12ft and poles sized 1.5-1.9in, making it a versatile choice for a wide range of umbrellas. EASY MOBILITY: Effortlessly move this fillable mobile umbrella base with four wheels, while the two wheel locks provide stability and keep your shading securely in place. Enjoy shade wherever you need it. STURDY ANCHOR: Keep your umbrella firmly in place with the heavy weighted base designed to withstand wind and support your shade. Fill the base with 120lbs of sand or 38 liters of water for added stability. REFILLABLE RESERVOIR: Fill the hollow chamber of this base with sand or water, and use the pair of tightening knobs to secure your umbrella. Enjoy peace of mind knowing your umbrella will stay upright. USE IT ANYWHERE: Enhance your outdoor seating area with this versatile umbrella base. The wheels roll smoothly across wood or concrete, allowing you to easily position your shade. Lock the wheels in place for a steady and relaxing shade experience. FITS MARKET UMBRELLAS 6-12FT: Compatible with market umbrellas sized 6-12ft and poles sized 1.5-1.9in, this contemporary-designed base blends seamlessly with various outdoor decors. Enjoy the convenience and stability it offers.