It looks like a quality bag, the magnets are good but it would be preferable to have extra ones for better security. Also, what I didn't like is that it only has one point at the bottom to hold it from somewhere and the connection points are plastic, which is understandable for the low price, but they could be metallic

The reason why the 5th star was not given is because the magnets could have been larger, extra ones need to be added in order to be completely secure at high speeds