Protect your home or property in times of flooding. Expands and activates on contact with water. Just lay them in place and let the water do the rest. Absorb, contain, and divert problem water away from your home and property, before it becomes a problem. Keep some on hand for emergency situations. Use around doorways, garages, leaking tanks, or anywhere water could be a problem. Non-toxic, dispose in trash when no longer needed.