Thanks for the reply

Maybe I should clear what I want to do a bit more:

I have got 27 models. Every model has some skins(at least 2). Because I wanted to save memory I deleted everyskin the model won't need - before every model had every skin.

No I want to change the skins of the model, but since the skin "green" ist not always skin1 i need to find out which skin "green" is.