Revolutionary lightweight replacement for sand bags, the Aquapad provides a more secure method for protecting your property against flood water. It soaks up water like a sponge. Design can help you control water leaks from broken pipes, leaking water heaters, basement leakage and many other water problems. In its dry state, this 18" x 20" pad is only 1" thick and weighs less than a pound. It takes less than 2 minutes to expand to 5" to 6" when fully activated. Aquapad has the ability to absorb 5 gallons of water in less than 3 minutes.