But not very pleasant to type on the keyboard as it does not blend with this one ... To see in time. The key backlight is against visible despite the protection. Since protection comes folded in half, maybe it takes a little time to get things fall into place? A bit expensive for the result of which only 3 stars but protects. 4 months later: Finally I systematically removes the keyboard to type. Do me that protection against liquids and dust when using the external keyboard Max (accepting the same protection also for transport in the suitcase)