Scalpmaster professional Barber's Soap mug( BLACK) Professional shaving mug is the perfect tool for a traditional wet shave. Raised inner rings hold shaving soap firmly in place, helping to build up a rich lather. The ergonomic handle provides a better grip, and the durable material is easy to clean. 3-3/4"H x 4" Diameter. Black plastic mug comes packaged in a colorful box.