Star brite Medium Wash Brush (Blue), 8-Inch Star brite Extend-A-Brush heads are 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. Features The best selling brush on market. Heads Available in Soft, Medium, Coarse. Will fit all Extend-A-Brush handles. *Star prene is a lightweight polymer fiber that does not stain, discolor or become brittle. It resists most cleaning chemicals and withstands heat up to 200?F. This space age material will not rot, mildew or absorb odors. USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.