Details: Mutual Industries 14981-24-14 Self Inflating Flood Control Jute Sand Bag Automatically Expands on Contact with Water

This bag automatically absorbs water and expands on contact with water.

By taking advantage of their properties of automatic expansion due to the super water absorbent materials, people can fight water with water and control flooding with the fastest speed in an emergency. It saves time and manpower effectively.

Inflates to 40-44 lbs in 3-5 minutes.

Take a look at the video below for a demonstration: