By 3.3 ± 0.4 g of mustard powder in a packet of paper (mustard packet), heat-sealing, non-miscible, porous on both sides or of heat-sealable, non-waterproof, porous one side and material combined on a paper basis on the other side.
By 10, 15, 20 mustard plasters in pre-marked polyethylene bags, or bags of polyvinylidene chloride film, or three-seamed bags of polypropylene film, sealed with heat-sealing.
By 10, 15, 20 mustard plasters in plastic bags, or bags of polyvinylidene chloride film, or triple-seamed polypropylene film bags sealed with heat-sealing, in a pre-marked pack of cardboard.