2O polymer bristles twisted in zinc-coated, rust-resistant wire; 6O long ergonomic rubber grip handle; 13O total length; Excellent for bottles and other dishes with hard to reach spots The Bottle Brush is excellent for cleaning bottles, cups, glasses, and other dishware items. This is aided by the stiff polymer bristles twisted in zinc-coated, rust-resistant wire. The Bottle Brush is proven effective for cleaning out various tougher, tight spaces in foodservice, industrial machinery, and more.