Have the protective covering for my MacBookPro Retina bought (13 inches) and am very satisfied. The bag has just the right size and the inner flap, under which the MacBook is pushed, the device will be additionally fixed, secured against falling out when opening the sleeve and there is also extra again separated from the zipper so that it does not damage occurs. The neoprene cushions the instrument very well. The seams are neat and the zippers seem to be of good quality.