One of the Original Lola Brushes, the one the country fell in love with! The Original Lola Vegetable Knob Brush, is made of high quality renewable birch hardwood that fits in the palm of your hand. The bristles are made of natural tampico fiber. This brush is perfect for cleaning all types of vegetables and can also be used to clean dishes and so much more. You'll Love Your Lola Vegetable Knob Brush.