Ziploc ZL211X16PK3 Vacuum Seal Double Roll Pack, 11-Inch x 16-Feet Safe for freezing, microwaving Compatible with other vacuum-packaging systems Purchasing product in Rolls allows for making custom-sized bags 2 Pack of 11x16 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 11x16 Rolls Ziploc Quality Not compatible with the Ziploc Vacuum pump