Ziploc 2 Rolls Vacuum Sealer, 8" x 20-Feet Safe for freezing, microwaving Compatible with other vacuum-packaging systems Purchasing product in Rolls allows for making custom-sized bags 2 Pack of 8x20 Rolls Ziploc Quality Safe for freezing, microwaving Compatible with other countertop sealing machines Purchasing product in Rolls allows for making custom-sized bags 2 Pack of 8x20 Rolls Ziploc Quality Not compatible with the Ziploc Vacuum pump