There are typically three types of copper bathroom sinks that we make - above the counter copper sinks, drop-in sinks, and under-mounted sinks. Above the counter bathroom sinks are typically in the form of a bowl which can either be placed over the counter, or recessed into the counter so that half of the sink is under the counter and the other half is over the counter. Drop in sinks are installed through a hole in the counter and usually have a rim that can be engraved, decorated with a molded design, or left plain. Under-mounted copper sinks usually mount under the counter and the lip around the sink is used to bolt and secure the sink to the counter.