New FlexiBrush works fast to create a glossy surface without eroding any any fine anatomy. These durable, easy-to-use brushes are packed with polishing abrasive so that every fiber is working to create a high shine. FlexiBrush has great flex whcih enables you polish difficult to reach occlusal and interproximal areas. FlexiBrush comes in two convenient shapes -FlexiBrush Cup and Flame. The cup is great for occlusal and facial surfaces, while FlexiBrush Flame is perfect for occlusal fissures and proximal areas