FILLABLE BASE: Enjoy instant shade with the included four-piece fillable base, which you can secure with your choice of sand (308 lbs) or water (220 lbs) for a rock-solid, wind-resistant setup 360° ADJUSTABLE SHADE: Use the foot pedal to rotate the offset umbrella 360°, with a free-motion track for 100 preset angles of shade SOLAR LED LIGHTS: A series of 33 built-in, solar-powered LED lights create a cozy ambiance for evenings outdoors (Charge: 7-8 hrs Run Time: 4-5 hrs) LARGE SHADED AREA: A vibrant, UV-resistant polyester canopy provides ample 108 sq ft of shade, while a built-in vent enhances airflow to help you stay cool WIND VENT: Flexible yet sturdy polyester fabric resists damage from the elements while the vent promotes airflow, cooling your guests while adding stability