StandAlone characters,does not requires any base models to use,but most of clothes are attached (see product ABOUT tab). Hair,skirt,coat,hand props and similar can be detached. Usualy comes with their own face morphs.Work fine on Daz and Poser, use classic rigging. Easy to pose,using V4M4 bone hierarchy. Fast load,quick render and eat not much memory, really good for big scenes.