THE ORIGINAL SANDLESS SANDBAG StormBags weigh only one pound dry and expand to over 33 lbs when hydrated! Say goodbye to backbreaking labor and never pick up a shovel again. Protect your home with the StormBag. ALL YOU DO IS SIMPLY ADD WATER The StormBag will absorb four gallons of water in 3-5 minutes. How Long Do The StormBags Stay Hydrated? StormBags will dry out after about two weeks in hot, dry conditions. If they are left exposed to water, they will stay at their full size indefinitely. Once the bag is dehydrated, it can be stored and re-used. How Much Does The StormBag Weigh? StormBags weigh one pound dry and fully hydrated weigh anywhere from 30-35lbs, depending on conditions. Each bag will absorb approximately four gallons of water. How Long Does It Take To Set Up? Each StormBag will absorb approximately four gallons of water in 3-5 minutes when submerged. It may take longer depending on how they are being hydrated. Are StormBags Plant-Friendly? Yes, the contents of the StormBag are non-toxic and the bag itself is made of biodegradable burlap and linen. Place a few around your trees or bushes in drought conditions to keep your plants happy and hydrated for weeks on end! Do StormBags Work In Salt Water? No, StormBags are not designed for use in salt water. How Do I Dispose Of The StormBags? StormBags are non-toxic which means that they are landfill friendly, but you'd be missing out on the opportunity to lay a few around your trees and bushes to keep them hydrated in drought conditions. StormBags will dry up in a few weeks in hot/dry conditions. They can then be stored for re-use.