Fillable Patio Umbrella Base with Handle Fit 1.5 Inch Umbrella Poles-BlackDesigned 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