Hight Qualiy Material: Heavy-duty and durable construction using high-quality materials as resin resistant all weather. Suitable for use in various outdoor settings such as patios, decks, gardens, or poolside areas,Weight Capacity: 4PCS Umbrella Base can be filled with 60 kg/132 lb water or 80 kg/176 lb sand, provide enough weight support for your offset umbrella,Easy to Spouts: Each offset umbrella base is equipped with a filling port and a screw cap, which can be quickly filled and poured.