The Star Brite Coarse Wash Brush is made with Star prene, a lightweight polymer fiber that does not stain, discolor or become brittle. It resists most cleaning chemicals and withstands heat up to 200F. This space-age material will not rot, mildew or absorb odors. Star brite poles are constructed with aircraft grade, triple anodized aluminum for years of maintenance-free use. Measures 8 inches.