Food-grade stand-up packaging bag with side zipper, self-sealed aluminum foil with degassing valve, for tea & coffee bean packaging pouch

pcs:

Select pcs 50

air valve:

Select air valve with Without

thick:

Select thick 0.28mm

Size:

Select Size 13*21+4cm 15*23+5cm 18*29+5cm 23*34+5cm

Color:

Select Color Black White Blue Red Yellow Silver Kraft