Size: 33.46 × 32.68 × 5.75 inches. The suggestion is to add 55 lbs of sand and 50 lbs of water on one side of the base; The other side is the same; your patio umbrella will be more sturdy and durable Compatibility: Cross base NOT included; not applicable to the PURPLE LEAF Double Top Cantilever Umbrella Material: The material is made of heavy-duty plastic; making it more sturdy; while also being UV and water-repellent Fashion: The surface features a 3D design; making it even more stylish Help: If you encounter any issues or require missing parts while using the product; please reach out to us for assistance Applicable: Suitable for PURPLE LEAF Single Top Cantilever Umbrellas; especially for 8' x 8' and 9' x 9' With this base, your cantilever umbrella will be even more stable. This offset umbrella base is made of HDPE, strong and weather-resistant, ensuring durability and a long lifespan. It can be filled with both water and sand, specifically designed for the purple leaf outdoor umbrella, enhancing your outdoor living experience with added comfort and enjoyment.