Operating grain bagging means a lot of bags to close. By means of this simple sealing device, this is no longer a hassle. The Grain Bag Zipper™ system, is used to seal large sized grain and silage bags making them water tight, preventing the grain inside from becoming moist and unusable. The system is easy to use by one person and can be deployed in all types of weather and terrain. The unique Poly-Fastener zipper strips allow the bags to be opened and resealed for grain inspection. With the help of the specially designed Zip Tool the work runs smoothly.