Bath brush made of oil treated oak and horse hair. Horse hairis an excellent materialin bathing brushesbecauseit issoft and pliablewhile itissturdy and durableand has a certainelasticity.Along with agood soapitgivesa soft and comfortablelather for a perfectcleaning. Allow the brushto dryhangingor standing onthe horsehairso that the wateris transported awayfromthe wood which is moresensitive to moisture.