GUSTAV, the collections classic just like the archetype of every shaving brush, a contemporary interpretation. Made of a slightly shimmering plastic, the fine waist of the handle is a kind of anti-slip-guarantee for thumb and index finger. shaving brush in classic design with Black Fibre handle material: black plastic ring size: 21 mm Muhle developed this purely vegan quality specially for wet shaving. In their dark colouring and softness the synthetic fibres largely resemble natural hair material of pure badger quality and are also a little softer at the tips. The synthetic fibres possess equally good performance characteristics. At the same time, the fibres prove somewhat sturdier and more durable. Some users prefer this material not only due to its vegan properties, but also because it produces particularly creamy shaving lather.