● Designed with a large reservoir that can be filled with sand or water to add stability● Made of high-strength HDPE material waterproof aging-resistant durable enough● The pole can be stored on the bottom groove saving space easy to transport● Easy to set up and enjoy the cool shade (note: the umbrella is not included)● The built-in handle brings convenience for transportation only weighs 4 lbs● Suitable for various occasions: patio poolside beach terrace garden deck etc● With its elegance and classic black appearance suitable for different decors