... can pack 5g ,7g ,10g or 250g vacuum foil bags ,which can keep for long time ,keep fresh for long time ... tea ,high aroma oolong tea , faint scent oolong tea..... you can choose which you want . Usually ,oolong tea is very expensive in the market ... RMB (11.7-14.6 usd ) per KILO . very glad to reply to you if you have any questions about this .