The Rubberized Professional Shaving Mug from Scalpmaster is an excellent alternative.

This professional shaving mug is the perfect solution for a traditional wet shave. The raised inner rings hold shaving soap securely, while the ergonomic handle provides a comfortable grip and the durable material is easy to clean. The mug measures 3-3/4"H x 4"D. It comes in a black rubberized box.