Enhance your outdoor space with our Heavy Duty Mobile Square Umbrella Base with Wheels. Designed for versatility and durability, this fillable stand is perfect for patios, poolside areas, beaches, and decks. The base features 4 wheels for easy mobility, with 2 locking wheels to keep it securely in place. It accommodates most market umbrellas with its aluminum alloy sleeve and 2 additional sleeves, ensuring a snug fit for various umbrella sizes. Fill the base with water, sand, or a mixture for added stability and wind resistance. Constructed from weather-resistant HDPE and featuring a galvanized aluminum alloy sleeve, this umbrella base is built to last. Its compact dimensions (18.9 in. L x 18.9 in. W x 6.5 in. H) make it a practical and stylish addition to any outdoor setting.