Double-sided. Ideal for both residential and commercial locations. caliber of umbrella base: 48mm.
Durable Frames - Improved 12 sturdy steel ribs all with coffee rust-free powder coated, sturdy than 2018 version .The attractive and stylish elegant design provides more enjoyment.
Easily Operation Features: operates with crank lift for easily opening and closing, two wind vents at the top to allow air flow and reduce the wind pressure to enhance stability.
Umbrella base is included, unique design allows you to add two 60lbs sands into the sand bag base to ensure the umbrella stands sturdy in a windy day!