- Our Flat Open Top Bags are manufactured from 100% virgin, high clarity polyethylene film, meets FDA and USDA specifications for food applications. - These bags are usually used for general light to medium weight products to protect them from dirt, dust and moisture, etc. - Top of bag is open and can be closed with twist ties, bag tape or impulse sealer. - Flat Open Top Poly Bags are a versatile and flexible storage solution. And they have a very wide application, from food to industrial tools and electronic equipment, etc. If you have any need for this product, please feel free to contact us at any time.