The versatile and durable Patio Umbrella Base. Its innovative 4-piece round?design allows for easy assembly and provides solid and stable support for your umbrella. Made from high-density HDPE material, this base is weather-resistant and built to last. Fill it with up to 114.6lb?of water or sand and enjoy worry-free stability. Easy to carry, stack, and store, this base is perfect for use in patios, pools, decks, gardens, and backyards. Compatible with most cantilever umbrellas and courtyard umbrellas with cross bases.