The Maxsima lens hood appears to be a copy of the genuine LH-DC70 lens hood made by Canon and is therefore much cheaper to buy. I cannot comment on the quality of the materials used having never examined the Canon hood, however, they look identical.
Since I rarely use a lens hood I saw no need to fork out for the genuine item. A copy would do just as well if it performed identically. This has proven to be the case.
I found fitting the hood to the Canon G1X a little awkward at first as there is definitely a technique involved. However, after a little trial & error it attaches very precisely. It detaches just as easily.
In terms of fit, performance and value for money, I can recommend it.