The cover does not look very tight heavy rain because of too accessible side openings. The Velcro is noisy and not necessarily a great idea: better snap or magnetic preferable? The material seems sturdy and solid but gives a little "rough" appearance
As against the interior for the computer like the rest (ipad, book accessories, notebooks ...) is very well thought out, effective: strong point.
Too bad the look is a little too "plastic" and "rigid"