blisstime 50 pack kraft stand up zip lock pouch bags, resealable bag with transparent window and tear notch for multipurpose storage (4 x 6 inches) blisstime <b>product details</b><br> material: kraft paper and cpp liner.<br> quantity: 50 pieces.<br> closure type: zipper.<br> heat sealable: yes.<br> thickness: 5.5mils in single side.<br><br> <b>note</b><br> 1.food in the pictures is not included.<br> 2.please note that these bags are not suitable for contents with oil or high moisture.