The Case of Slappa is well made. The exterior is covered with a leather-like layer, so that it does not easily slip out of hand. Inside it is covered with einre Velvet-like layer. The case is, however, not padded! The shell of the case is so hard that it can be difficult to push.
If the zipper is closed, the case offers a good protection for my headset, exactly what I need.
UPDATE (9/25/14)
My AKG K 272 HD do not fit the case. But since I do not want to transport in the case these headphones, it does not change the rating.