Resenkos Outdoor Umbrella Base, 20 Inch Round 23L Water Filled Umbrella Base, Black

<p>Ensure rock-solid stability for your outdoor patio umbrella with this premium 20-inch round water-filled umbrella base. Engineered for durability and ease of use, it holds up to 23 liters of water to provide optimal ballast—keeping your umbrella firmly anchored even in gusty summer breezes. The base features a dual-material construction: high-density polyethylene (HDPE) outer shell for UV resistance, impact toughness, and all-weather corrosion protection, plus an internal steel reinforcement ring for structural integrity and long-term rigidity. Designed for universal compatibility, it accommodates standard umbrella poles with diameters of 38mm (1.5") or 48mm (1.9"). Its low-profile, compact footprint (20" diameter × 4.7" height) maximizes space efficiency while delivering superior weight distribution. Filling and draining are hassle-free via the integrated cap-and-seal system—no tools required. When empty, it’s lightweight and portable; when filled, it delivers dependable, vibration-free hold on decks, patios, lawns, and poolside areas. Easy to clean, store, and maintain year after year—this base is built for seasonal reliability and effortless outdoor living.</p>

• Holds up to 23 liters of water for maximum wind resistance—keeps your patio umbrella steady in gusts without permanent concrete or sand filling
• Dual-material construction: rugged HDPE shell resists UV fading, cracking, and extreme temperatures; reinforced with internal steel for lasting structural strength
• Universal pole fit—securely supports both 38mm (1.5") and 48mm (1.9") umbrella poles with snug, wobble-free alignment
• Space-smart design: 20-inch diameter x 4.7-inch height offers high stability without bulky overhang—ideal for compact decks, balconies, and poolside setups
• Tool-free operation: simple fill-and-seal mechanism makes setup, relocation, and off-season storage quick and mess-free