Patio Umbrella Base Stand. Features: It's an Empty Base Ready to Filled with Water. Here Comes a Hole on the Base to Pour Water in It to Add the Weight, So As to Keep the Base Stable. Easy to Assemble,put the Plastic Insert into the Pole Hole, Screw It Down, then Your Patio Umbrella Will Be Perfectly Put on the Base. Base Can Be Filled with 30kg Water/sand. Water Flooding and Sand-filling Design, Anti-pressure, Make It More Stable. Adjust Thread Grip-per Tube Size. Can Support Beach Umbrella, Flagpole, Wedding Arch, Etc. Specifications: Type: BASE Color: Black Size: 38 X 15cm Suitable Size: 35-38mm Umbrella Rod General Use: Outdoor Furniture Umbrella Radii: 38mm Model Number: Tools & Home Improvement Main Material: Plastic HD-PE Base Can Be Filled with About: 30kg Water/sand Package Included: 1 X Patio Umbrella Base Stand . We are an international seller, your order will be shipped from abroad so please allow the necessary time of minimum 14 working days for delivery right now depending on where you ship to, due to ongoing delays in postal deliveries globally.