Maximize the effectiveness of your in-ground pool. Fill tubes with water, attach to the conveniently spaced holders, and help to hold down your cover under the most severe weather conditions. Available in heavy duty, these tubes are made of high-strength PVC for long life and durability. Available in single or double chamber units.
Additional Benefits:
I bought 10 water bags, they were a combination of three different textures. Some were thicker and some thinner. None were labeled gauge thickness or the color in the pictures. They were all made in China.