The unit sits really exactly in the casing, but the elastic material allows doing a good insertion and removal. In order for the filled casing is comfortable to wear and easy to stow in pockets. Along with the flat material needs of the wrapped laptop only marginally more space.
For everyday use, the locking tab is a bit stiff: the low position (about 5 cm from the top edge) it has to be slipped with slight force on the laptop. At the beginning you will inevitably once pinched a finger between strap and device. After two weeks of daily use but this is no longer a problem, and the fixed tab provides very good and secure grip; the lack of a zipper no longer be regretted quickly,
The design is simple, the few seams are well made and the material feels both comfortable and durable. The bag is reversible and on one side matte black, the other gray (slightly darker than the pictures). As a pure Cover it has no eyelets, loops or straps to hold the bag or pull out of a backpack; the bag is, however, so easy and handy that this is little need.
Especially for the very reasonable price, the bag fully recommended to similar laptop in backpacks, tote bags to protect.