... Packing and sealing:Put the goods into packing bag and zip up.Point for attention:The goods ... charging line.3.Air extracting:Put the charged bag in the platform,ensure that air extraction port ... second,repeat the air extraction until the packing bag is adhesive to the goods,then release the ... charged, therefore please do not use rechargeable batteries.* include 2pcs big bag(size:280*260mm) and 3pcs small ...