It's never too early to start planning your own personal summertime oasis. Its easy tilt operation and hand crank lift ensure convenient adjustments. Each of the 4 black plates are made from high-strength HDPE material that are rustproof and waterproof. Approximately 220 lbs of holding weight when the umbrella base filled with water or an awesome 240 lbs when filled with sand. Or even heavier when combined with both sand and water. Additional Details: Dimensions of umbrella: Dimensions of base: