M-Edge Touring Sleeve for Kindle (Fits 6" Display, Latest Generation), Lime Green
This is a nice cover that's plenty big for my Kindle.  No problems getting it in or out, and the little hidden handle is a nice touch.  I like that the Kindle can be charged without removing it from the sleeve.  However, the pocket for the USB cord/charger is a little tight and makes the whole thing look lumpy.