KOOL 81 lbs. Square Patio Umbrella Base, Water & Sand Fillable Heavy Duty Outdoor Market Umbrella Stand, Portable Weighted Umbrella Base for 6ft to 11ft Backyard Garden Patio Umbrellas

Create stable support for your outdoor patio umbrella with our KOOL square water & sand fillable umbrella base. The empty base is lightweight to move; you can fill water, sand or both to reach up to 81 lbs total weight to resist tipping over. It accommodates straight umbrella poles between 1"–1.9", compatible with 6ft–11ft market umbrellas. Built-in carry handles allow easy movement on patio, lawn and poolside. Heavy-duty weatherproof HDPE plastic withstands outdoor elements. The adjustable tightening knob firmly locks umbrella poles to avoid shaking. Great accessory for backyard, deck, garden and outdoor café shading.

• Fillable Design for Adjustable Weight Stability - This weighted umbrella base can be filled with water, sand, or a mixture of both. Fill only water for 43 lbs weight, sand reaches 61 lbs, and water & sand combination provides maximum 81 lbs holding weight, effectively preventing your patio umbrella from tipping over in mild wind.
• Wide Compatibility for Standard Market Umbrellas - Built-in tightening knob secures umbrella poles with diameters ranging from 1 inch to 1.9 inches. Perfectly matches most straight market umbrellas from 6 ft up to 11 ft wide, ideal for backyard, patio, poolside, lawn and deck usage.
• Convenient Built-In Carry Handles for Easy Transport - Equipped with integrated ergonomic side handles. When empty, the base is lightweight and effortless to lift, carry and relocate around your garden, patio or swimming pool area without extra tools.
• Durable Weather-Resistant HDPE Plastic Construction - Made of thick rugged HDPE plastic with textured anti-scratch surface. UV-resistant, weatherproof and crack-resistant, suitable for long-term outdoor exposure under sunlight, rain and seasonal temperature changes.
• Secure Locking Knob to Fix Umbrella Pole - Features an adjustable tightening screw knob. Fasten the pole tightly to eliminate wobbling and shifting during use, keep your outdoor umbrella upright and stable for daily relaxation.
• Simple Filling & Draining Structure - Comes with sealed filling cap for quick water and sand injection. After seasons of use, you can empty the contents easily to reduce weight for compact storage, won’t occupy much storage space indoors.