Expandable sides and fitted bottom make packing bulky or irregular shaped items easier Sizes listed are the inside usable space of the bag. Meets FDA and USDA specifications. Close bags with twist ties, bag tape or by heat sealing. Office Depot Brand 2 Mil Gusseted Poly Bags 15in. x 9in. x 24in., Box of 500 is one of many Poly Bags available through Office Depot. Made by Office Depot.