Harvest Keeper? All Clear Sealer Bags keeps garden vegetables, meats and other food products fresh up to 5 times longer than other storage options. These bags when used properly with a vacuum sealer provide an airtight seal to keep moisture and air out. Harvest Keeper? All Clear Sealer Bags help save time and money by reducing freezer burn, extend the lifespan of your food and let you easily identify what is in the bag. Saves space and eliminates odors! Convenient and versatile can be used with a range of plant and food products. Harvest Keeper? All Clear Sealer Bags are BPA Free and produced from FDA approved food safe materials. Please follow FDA food safety guidelines. Harvest Keeper? All Clear Sealer Bags come in precut bag sizes 11 in x 18 in and 15 in x 20 in or rolls 11 in or 15 in x 19-1/2 ft.