Patio Umbrella Base 4-Piece Set, Offset Umbrella Weights - Black, 52L Water/112L Sand Capacity - Heavy Duty HDPE Plastic for Cantilever & Standard Umbrellas

【Heavy-Duty Stability】: This 4-piece set provides exceptional stability for both cantilever and standard patio umbrellas; each base piece securely fits over umbrella stand crossbars, preventing tipping in windy conditions; ideal for residential outdoor use. 【Large Capacity & Versatility】: Each base holds up to 52 liters (13.7 gallons) of water or 112 lbs of sand; offering flexible weighting options; we recommend a sand and water mixture for optimal weight distribution and stability; capacity per piece is 28.6lbs water, 33lbs sand, or 38.5lbs sand-water mixture. 【Durable & Weather-Resistant】: Crafted from high-density polyethylene (HDPE) plastic with a UV protective coating; this umbrella base is designed to withstand harsh weather conditions and provide long-lasting performance; ensuring years of reliable use. 【Easy Fill & Drain Design】: Features an integrated fill spout with a cap for effortless filling and draining; simplifying maintenance and allowing for quick adjustments to weight as needed; convenient access point located in the center of each base piece. 【Simple Setup & Compatibility】: This set includes four separate base pieces for easy assembly; compatible with most standard and offset patio umbrellas; ideal for patios, decks, gardens, and poolside areas; dimensions per piece: 18.5” diameter x 3.5” height; set weight: 8.8 lbs (empty).