climbing brush 1,Material Quality:Sponge,Rubber,PP and Aluminium. 2,Aluminium Hand Shank Cleaning Window Brush,climbing brush,Window Brush Specifications:1,Material Quality:Sponge,Rubber,PP and Aluminium.2,Aluminium Hand Shank3,Have Sponge Said and Rubber Said Key Features:1,Function,Can Clean window and also Dry window .2,Aluminium Hand Shank,not easy to be broke.3,Novelty and Nice color.