Thank you for viewing my item!     Available is a vintage pair of Duolamp A Stimsonite Lens covers.    They are glass.   The third lens cover looks identical to the others but is not marked.     It is for the glass lens covers only.     Shipping will be $6 in the US.    Outside the US will be through the global shipping program.   Shipping will be $6 in the US.    Outside the US will be through the global shipping program.