Keep your patio umbrella firmly planted with this heavy-duty Hdpe base that accepts sand, water, or both to reach a maximum weight of 88 lbs. The weather-resistant, impact-resistant shell withstands rain and Uv without cracking, while hand-turn knobs secure poles from 1.5 to 1.9 in diameter without tools. A built-in carrying handle lets you reposition the base even when partially filled, and the compact 17-inch footprint fits neatly beside any table.