Top-mounted kitchen sinks are also known as a drop-in sinks. These are installed by dropping the sink into a hole in the countertop. Top-mounted kitchen sinks have a lip or rim that sits on top of the counter, creating a seal to prevent water & debris from getting underneath. Top-mounted kitchen sinks are a traditional style that has been available for many years & is popular because it is easy to install, and comes in a wide variety of styles, sizes and materials such as stainless steel, porcelain, and granite. Styles range from traditional to minimalistic modern. Top-mounted kitchen sinks are also designed for special needs such a sinks with side mounted mixers for disable or assisted living use.