This 100 kg double-sided patio umbrella base is compatible with multiple types of umbrellas and spaces, and you can use it for outdoor dining at the patio table, by the pool, on the patio, or anywhere you want to enjoy outdoor leisure time. It comes with an adapter to fit different umbrellas with a diameter of 48 mm, and you can use the 2 adjustable tightening knobs to secure the umbrella pole, preventing it from wobbling or falling. More than that, it is easy to set up, just install the frame and then fill sandbags with sand for fixation. 2 sandbags can hold up to 90 kg of sand, allowing the umbrella base to remain upright and stable under windy conditions. In addition, the cover is crafted with all-weather polyester fabric and the frame is constructed of heavy-duty powder-coated metal, ensuring good sturdiness and long-lasting durability. Excellent Stability and Wind Resistance: The patio umbrella base is equipped with 2 large sandbags, which can be filled with sand, stones, water bottles, or other weights, enhancing stability and wind resistance. And the total fill capacity of the sand is 90 kg. All-Weather Cover: The large umbrella base comes with a premium polyester fabric cover, which is not only drizzle-resistant, sun-protection, and snow-proof for long-term outdoor use, but also tear and wear-resistant, ensuring good durability. Besides, the sandbag is crafted with durable and thick oxford fabric. Fits Different Patio Umbrellas: The heavy-duty market umbrella stand comes with an adapter and 2 adjustable fixed knobs, which can accommodate patio umbrella poles up to 48 mm in diameter. And it is suitable for supporting double-sized umbrellas, outdoor table umbrellas, lighted patio umbrellas, thatched tiki patio umbrellas, and more. Easy and Quick Installation: This square patio umbrella base is quick and easy to set up, and all you need to do is install the X-shaped frame and supporting pole, install 4 side panels, then fill 2 sandbags with sand, put on the cover, and then insert your umbrella and secure it with 2 knobs. You can also easily detach it when not in use for space-saving storage. Sturdy Structure: The supporting frame is constructed of heavy-duty metal that can resist all kinds of weather and possess high durability. And the powder-coated surface is not easy to rust, peel, or chip. You can use it under the patio table, in the garden, terrace, poolside, beach, etc. Specifications: Colour:Black Material:Metal, PE, Oxford Fabric Product Dimensions: 73 x 73 x 41 cm (L x W x H) Fill Capacity of 2 Sandbags: 90 kg Net Weight: 5 kg Box QTY: 1 (May varty by batch) Package includes: 1 x Patio Umbrella Base 1 x Dust-proof Cover 2 x Sandbag 1 x Instruction Manual