Vacuum Compressed bag 1 Material:PA+PE. 2 Suitable used to items such as clothing ,cotton quilt,bedding,household. Vacuum ... from sealing zipper .2.Vacuum to attract Insert the edge of the vacuum cleaner,vacuum cleaner close to the ... nozzle cap,single-tube gas pump nozzle aligned vacuum port and tighten the screw interface,boosting the ... .11.Use hand to squeeze the vacuum bag,which can help compression ...