Norwex Ergonomic Toilet Brush and Holder Norwex Ergonoic Toilet Brush and Holder Rubber Toilet Brush with ergonomic handle Non-Slip grip and a special extension that reaches under the rim The brush's Thermo Plastic Rubber bristles are more durable and flexable and won't wear out. Unique Rubber bristles rinse completely clean and water, and when stored, do not come into contact with the holder, allowing for fast air drying.