Sturdy, easy to fill with sand and water. I’m happy we can use our patio in hot summer weather.

I loved these. For almost a year. Today I went to shift the blocks to move the umbrella a bit and 3 of the 4 blocks sprung leaks in the holes circled in the photo. This is not where they are filled. They are filled from the sides and those are fine. Now I either have to attempt to seal the holes and buy sand to fill them or buy a new set because I am sure the warranty is expired

This was a great purchase! Absolutely love it and it was easy to fill and apply in spots. I bought the umbrella last year from Ollie’s and had been looking for weight to put down. These were perfect!

These did not fit over our new umbrella cross bars so we returned them. Easy to fill with water.

Good quality and on time delivery. I filled the base pieces with play sand which provides good support for my 10ft cantilever umbrella. It was somewhat time consuming to add the play sand which was damp and did not flow easily. I would suggest drying out the sand before attempting to fill the base, if you find yourself in that position. The dry sand will flow easily into the base and you can add water to the sand for more weight if needed.