How to choose the base of the umbrella?

Do you have a table specially for umbrella? If not, you may need to choose a base suitable for your umbrella.
First, most umbrella sellers have the matching umbrella base, you can find them in their store and maybe buy them with your umbrella.
Second, please check the pole of your umbrella, and caliber of umbrella pole may the key point of the choice.
Third, how easy it is to install the base is also of high importance.
Last but not the least, check the weight of the base(with sand or water).