DescriptionThis product is a sun umbrella water injection base made of safe and durable PVC material. It is mainly used for weight, so that it can better fix and support the sun umbrella pole and have a better windproof effect. With a simple application method, it is a very practical tool that will meet your needs very well.Features-Color: White -Material: PVC -Size (29): About 29.00X29.00X0.50cm/11.40X11.40X0.20inch -Size (32): About 32.00X32.00X0.50cm/12.58X12.58X0.20inch -Made of PVC material, safe, durable and practical. -With simple design structure and practical functions, it can be better fixed and supported. -This product can be used in multiple stacks according to actual needs. -Pressure and wear resistance, can serve you for a long time without being easily damaged. -It has a simple way of carrying and storing, easy to fold.