High Quality Material & Cleaning Easily - The base of this patio umbrella stand is made of strong and durable HDPE material, which can resist all kinds of weather elements and is not easy to rust. With a sunflower pattern, it's easy to clean while adding elegance to your patio for a timeless look. Adjustable Pistons - This outdoor umbrella base stand is equipped with an adjstable piston, which can be better to adjust and adapt to different diameters of umbrella posts. A properly sized piston will ensure more stability. Umbrella pole diameter range: φ1.49" - 1.89". Hand-tightening Rotary Knob - The swivel handle is necessary to secure patio table umbrellas to provide the stability of the FRUITEAM base. We highly recommend that you use a patio umbrella stand in combination with a patio table for extra support for your offset umbrella on windy days. Secure and stable - Our 15 inch Outdoor round market umbrella base stand is extra wide for greater stability, helps keep patio and market umbrellas sturdy and in place. Worry-free after-sales service - If you have any questions about FRUITEAM's outdoor patio umbrella stand, please contact us by email, and we will do our best to solve the problem for you. Warm tips: Our umbrella base does not include an umbrella. If you need an umbrella, you can go to the FRUITEAM flagship store or search for Fruitam patio umbrella to choose your favorite umbrella to buy. umbrella base for patio umbrella base for outdoor umbrella base for garden umbrella base for beach round patio umbrella base black patio umbrella base heavy duty patio umbrella base stand patio umbrella base market umbrella base resin umbrella base for beach