Material: Resin. It offers a decorative, high end touch to your outdoor living space. Weight: 13.7KG(30.2LB).It's heavy enough to sustain the umbrella. Note: Includes 2 couplers to allow it to fit both 1.38" And 1.8" diameter umbrella poles.(As picture show) Package include: 1*umbrella base(2 couplers is in the pole, you need to get it out) All the details are as picture show