It's PP-EVOH-PP 7-layer oxygen and water barrier cup, up to 18 months shelf life.
It can be easier to use as a filter inside ready, no more snapping into the individual filter.
It has professionally sterilized clean and Nitrogen gas(>99.5%) flush ready inside(below the filter inside) for better coffee and less oxygen OTR.
Both filter material imports for better and safety widely production use and fit different coffee grinding material granule sizes.
PS-EVOH-PS-PE type cup also available if you need
Black and white cup also available if you need.
Professional certificates, Having the same advantages as synthetic filter kcup, but it's more suitable for the teacup. Tea water can gose more faster and smoothly in paper filter kcups.