Umbrella Base for Cantilever Umbrellas - Black HDPE Outdoor Patio Base - 8-10ft Rotating Umbrella Stand - Water/Sand Fillable - Weighted Base Plates

【Durable Construction】: Crafted from high-density polyethylene (HDPE) material; provides excellent resistance to UV rays, rain, and other outdoor elements; ensuring long-lasting performance and reliability for your patio umbrella. 【Weighted Stability】: Offers a substantial weight of 132 lbs when filled with water or 176 lbs when filled with sand; providing exceptional stability and preventing tipping even in windy conditions; suitable for 8'-10' cantilever umbrellas. 【Easy Filling & Storage】: Features a convenient filling port with a screw cap for simple filling and emptying with water or sand; stackable plate design allows for compact storage when not in use; maximizing space efficiency. 【Compatible Design】: Specifically designed for 8'-10' cantilever umbrellas, including rotating models; compatible with cross base bars measuring 2.25" H; overall dimensions are 31.5" L x 31.5" W x 5" H; each plate is 15.75" L x 15.75" W x 5" H. 【Complete Package】: Includes 4 weight plates, each weighing 3 lbs, and 1 manual for easy setup and instructions; the black finish complements a variety of outdoor décor styles; cross base is not included in the package.