Simple but effective way of creating a barrier to flood water. Modern alternative to sand bags, they look and act like sandbags when activated but can be stored flat. Fastest most efficient Hessian / Jute Flood bag on the market. Easy to store (in case of emergency) as they are come flat packed. Self inflating flood bag, activated by being submerged in water. Contains a new advanced super absorbent polymer gel that expands contact with water to form a barrier to water in a similar way to sand bags. Expands three times as fast as the existing market leader, absorbs up to 20 litres of water in 2 to 3 minutes. Contents and the bag are biodegradable. Excellent for blocking walled Gateways and keeping flood water away from your actual property, (Use flood bags to slow flood water progress at edge of your property and then use FMC Door and Window seals and FMC Flood Sentry Airbrick Cover to seal your property in case water breaches the flood bags). When placed in the toilet bowl can create a seal to prevent sewage back flow. No sand required. Simply put plug in place the sit flood bag on top of the plug and against the overflow pipe overflow pipe (fill over flow with damp cloth then hold in place with flood bag). Environmentally friendly, non toxic to aquatic life. Unlike traditional flood bags the increased speed of absorption makes them ideal for absorbing flood water that is entering your home or for containing spillage or leakage. Can be buried in the ground to provide constant source of water and nourishment to bushes and trees as the polymer gel acts as a water reservoir. Flood bags can remain in place for up to a month to guard against further flooding, but will gradually lose efficiency over time.