Features: 1Made of food grade PE and PA low temperature resistant environmentally friendly and can be reused many times. 2Good sealing performance doublelayer zipper makes the vacuum bag sealed for a long time without leaking. 3It adopts automatic sealing suction port and automatic sealing technology does not need cover and selfadhesive sealing. 4With a blank label you can record in the blank area such as the name and date of the food which is easy to use. 5To meet a variety of needs it can vacuum package meat cooked food vegetables dried fruit and pet food. Specification: Item Type: Vacuum BagMaterial: PA+PEWeight: Approx. 68g~86g/2.4oz~3ozCompression Form: Three-Dimensional Air ExtractionPurpose: Food Extraction and PreservationSealing Mouth Diameter: Approx. 3cm/1.2in Package List: 6 x Vacuum Bag Note: 1. Please allow 02 cm error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.3. Need to be used with a vacuum pump (not included).