spell effects do not cross through claudications of non-dimensional spaces. therefore, while the claudication interface (ie: the bag) is affected due to its status as gear, those inside would not be affected. as such, when the claudication is reactivated, connecting the interface to the non-dimensional space, and the contents dumped, they would thus find themselves on the ethereal under their own power and means and not affected by the spell in any way.
sounds like someone needs a 'force substantiation' effect.