Sturdy 4-Panel Design: This detachable four-panel square umbrella base, interlocked with four metal fittings, ensures heightened flexibility to meet diverse needs. Good for cantilever and offset umbrellas. Our umbrella stand outdoor base provide stable support. Durable Materials: Made from HDPE material, the fillable patio umbrella base resist oxidation, corrosion, and cracking, maintaining its strength and color even under prolonged outdoor exposure to UV rays, rain, and moisture. High Weight Capacity: VECELO outdoor umbrella base filled with 132 pounds water or 176 pounds sand, providE ample weight to keep your umbrella upright even during strong winds. Featuring fill ports and twist caps on each panel for easy filling and draining. Convenient Design: Embedded handles on the backside facilitate easy transportation, making the patio umbrella stands & bases a breeze to carry. When not in use, this umbrella base stand can be disassembled, with the four panels stackable for space-saving storage. Dimensions per panel: 19.7”L * 19.7”W * 2.8”H. Versatile Base:This Base for patio umbrella is good for various outdoor settings such as patios, decks, gardens, or poolside areas. Works well on different surfaces including grass, sand, or concrete. Whether used indoor or outdoor, this outdoor umbrella stand offer stable and secure support wherever you need.