Straighten & Curl Round Hair Brush | 100% Premium Natural Bristle | Pure Bamboo Handle | Medium Barrel | Model 910 Premium natural bristles distribute natural oils for a clean finish and healthy shine. Eco-friendly natural bamboo handle with a luxury grade finish and rubber grip inlets. Medium barrel design for creating loose waves. Used and recommended by professional hairstylists all over the world. For all hair types. Straighten and Curl brushes are used to create the perfect shape from straight lines to gentle waves or tight curls and give professional results every time. We only use 100% premium natural bristles that distribute natural oils for a clean finish and healthy shine. For nearly 40 years, Bass has designed luxury grade brushes with an emphasis on natural and durable materials for long product life and environmental sustainability. Bass Brushes Shine & Condition brushes use 100% premium natural bristles that distribute natural oils for a clean finish and healthy shine.