These are N Gauge which will enable you to do locomotive 40031 D231 Slyvania 

The decals are waterslide, these will look better if coated with floor kleer instead of enamel varnish which may cause them to shrivel.

3 nameplates are in each pack

New - unused, the packing label shows signs of wear 

these will be sent as a signed for letter - second class royal mail