GrainPro Hermetic Bags are a water resistant and gas-tight storage solution for a vast range of dry agricultural commodities. All GrainPro Hermetic Bags are made of multilayer plastic with a proprietary barrier layer and are organic, eco-friendly, and reusable. GrainPro Hermetic Bag Twist & Tie bags are closed by twisting the top of the bag and securing with provided cable ties. The bags can store commodities for prolonged periods without the risk of moisture ingress, pest infestation and fungal growth and no need for pesticides or refrigeration. They preserve quality and germination capacity of stored grains and seeds and are over 500 times more airtight than polyethylene bags.