Winter after winter, your best value
Your Pool Cover's Not Going Anywhere!
Water Blocks stack for easy summer storage
Solid block construction is designed to last forever
A new alternative to holding your winter pool cover in place. Made of high-density polyethylene, proving to be more durable and longer lasting than traditional water bags. Just fill with water and snap on cover. 3 ft L x 8 in W x 4 in D.
Item # 9943P