Key features

• •Two adjustable turn knobs: With two manual tightening knobs, the umbrella can be fixed to the base. There is a hole inside and a knob outside to fix the umbrella firmly. Do not fill with water at or below 32°F to prevent freezing and cracking
• •Water or sand filling: Base can be weighed down with up to 50 pounds of sand or water, and can be easily transported when emptied. Notice: Water and sand are NOT included
• •Durable material: Made of rugged, durable HDPE plastic, all weather resistant, steel pipe and would not be corroded easily and lasted use. With good sturdiness, your pole won't sway easily
• •Easy to assemble: The base holds various umbrella sizes. Plastic insert on top of steel tube is ideal for Φ1.5"(38mm)-Φ1.9"(48mm) umbrella pole. You just need to insert the umbrella pole into the base, and tighten the knobs
• •Wide application: The beautiful and stylish base can be widely used in courtyards, gardens, terraces, swimming pools, restaurants and other scenarios as well as a variety of residential and commercial uses