The outdoor umbrella with base included with base can be filled with up to 270 pounds of water and sand , and the reinforcement rods are powder-coated aluminum for enhanced rust resistance and toughness to protect you from bad weatherEasy operation and extra-protection: the operation is easy, the aluminum alloy hand crank is to control open and close the patio umbrella, strap and pocket design is available for easy storageWaterproof and UV protection and fade resistant: made of 280/gsm olefin polyester fabric, creating a durable barrier and protecting against UV rays and rainfall. It can provide 98% UV protection with good fade resistance for long lifespan.360° rotation and infinitely variable tilt adjustment - 360° rotation mechanism with handle operation and infinitely variable tilt adjustment, you can adjust the umbrella to whatever positions you like according to your different shade purposesHeavy-duty base: can be filled with sand or water,352 lbs. heavy when filled with wet sand, so that 4 resin plates provide additional weight required to improve umbrella stabilityStrong stability construction: equipped with an 3.9 inches thick aluminum pole and 8 sturdy powder-coated aluminum ribs construction for extra-strength.