There are two types of sinks, the vessel bowl and the standard under mount bathroom fixture. The vessel bowl is difficult to clean because there are most likely fingerprints left around the perimeters. The under mount sink is usually accompanied with a vanity that would make cleaning up the fixture an easier task. The under mount recessed height can be a hit with children because it is more accessible than the vessel bowl and is placed high on the vanity for family use.
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Sinking Feelings: Vessel vs. Undermount Bathroom Sinks