The shaving brush is filled with 100% pure badger hair and will provide a good lather when used with a quality shaving cream or soap. They recommend that, after daily use, shaving brushes are thoroughly rinsed in warm water and hung to dry in a stand. The hair is firm and is entry level quality. The brush is well balanced for a great wet shave. Overall height 105mm (4.12 inches) Handle height 54mm (2.12 inches) Handle diameter 27mm (1.06 inches) Knot size 21mm