Depends on how careful you are. Acrylic can be damaged by some things you might have in the bathroom, and you can scratch it (it is plastic after all). A china sink has a glass glaze, so is more impervious, but because it is brittle, dropping something hard on it might crack or chip it. A china sink can look new for decades, an acrylic is unlikely to last that long. It is easier to make an acrylic sink in fancy shapes. If the sink you choose has the holes for the faucet in it (as opposed to deck mount), it will feel more substantial on a china sink. If you're thinking of Toto toilets, they also make sinks, and you can get sinks with SanaGlos as well as the toilet, if that matters.