14 x 22" - 6 Mil Flat Poly Bags - Extra heavy-duty Poly Bags are puncture resistant and recommended for protecting heavy weight products like industrial parts and tools from dirt, dust and moisture.14 x 22" - 6 Mil Flat Poly Bags. Extra heavy-duty Poly Bags are puncture resistant and recommended for protecting heavy weight products like industrial parts and tools from dirt, dust and moisture. Bags are manufactured from 100% virgin, high clarity polyethylene film. Meets FDA and USDA specifications. Close bags with Twist Ties, Bag Tape or with Impulse Sealers. Extra heavy-duty Poly Bags are puncture resistant and recommended for protecting heavy weight products like industrial parts and tools from dirt, dust and moisture. Bags are manufactured from 100% virgin, high clarity polyethylene film. Meets FDA and USDA specifications. Close bags with Twist Ties, Bag Tape or with Impulse Sealers. Sold as 250/Carton.