... decor6,electro-plated(vacuum galvanization)decoration on caps(Plastic or Aluminium cap)1,electro-plated(vacuum galvanization) ... 2,natural material but with color3,silkscreen printing on caps4,curved or foiled ... metal sprayer(ferrule with metal actuator)2,ferrule with plastic atuator(cheaper than metal actuator) glass perfume bottle with plastic cap and sprayer