VacMaster Full Mesh Zipper Vacuum Bags, 6-Inch by 10-Inch, 50-Count Re-closeable zipper with easy open tear notch Keeps food fresh up to 5 times longer; Bags can be frozen, refrigerated, microwaved or boiled BPA-free and FDA approved For Suction Type Vacuum Sealers; includes 50 bags U.S. Patent #6,991,109 printed on every bag