Base Dimension: 33.5"L × 32.6"W × 5.4"H. Only for PURPLE LEAF 8' × 8', 9' × 9', 8' x 10' and 10' x 6.5' umbrella single-top cantilever umbrella. Sturdy Material: The patio umbrella base is made of HDPE, which is hard and weather-resistant. Large Capacity：It is recommended to add at least 55lbs of sand and 50lbs of water to keep the cantilever umbrella stable. Exquisite Craftsmanship: 3D surface design is more fashionable and textured. Considerate Customer Serivice: Please feel free to come to us if you have further problem or missing parts with this product. This PURPLE LEAF umbrella base is made of HDPE. It can be easily filled and cleaned up. Only for PURPLE LEAF 8' × 8', 9' × 9', 8' x 10' and 10' x 6.5' one top cantilever umbrellas.