Yeah there's no reason not to have a slipcover because you order the dvd on play.com or eleswhere. The DVDs are sold that way so you will have one.
However, on the through-play.com-ordered-Disney DVDs, you'll have, just like for every canadian sites, a enclosed sticker on the slipcover (and on the cove as well) mentionning a French language track. The sticker is pretty big, pretty horrible and you can't take it off !
This is why I never order Diusney DVds on canadian websites ! lol

but otherwise that's okay.
Here's an example of what I'm talking about for the newly released Mary Poppins 40th Anniversary Edition :
I simply can't stand this (though I'm French

) but some people don't mind about it and maybe you don't.

Chandler (to Phoebe, over the phone) : Listen, Joey isn't gonna be here tonight so why don't you come over and I'll let you uh.. feel my bicep; or maybe more...
Friends, 5.14 - The One Where Everybody Finds Out