Our 8" x 4" x 18" 1.5 Mil gusseted polypropylene bags protect the quality of your consumable goods. These gusseted 8" x 4" x 18" .0015 polypropylene bags are transparent, resist moisture, and are FDA and USDA compliant. All side gusseted 5.25 inch by 3 inch by 13 inch polypropylene bags expand to fit the product and can be closed with twist ties, bag tape or by heat sealing.