Taking the bag from the welded-film out, you get directly ne sick stench of determined not healthy, whether the glue, solvents or other chemical substance NEN is no idea in any case, it stinks. Apart from that the bag is also impractical, the rubber band is eingenähnt in shallower lid, bottom is deeper, where you would actually fooled the unit, because there is not slipping out when you open the bag, because just missing the rubber band.