... .No need for flammable propellants NameBag on valveOther nameAerosol valve bag, Valve in bagStructure1"Valve, Mounting Cup, Outer gasket, Inner gasket, Stem, Spring, ... Housing, Bag-on-valve connector, Aluminum foil pocket(4 layers).MaterialTin, Aluminium, Nylon, PE ... all angles6)Less noise when sprayingCETISO 9001:2000 Aluminum Foil Bag with valve