SlickBands™ XR virtually eliminate the problem of difficult to remove matrices. A micro-thin coating bonded to our dead-soft stainless steel reduces bonding agent adhesion by a whopping 92%! Band removal is a breeze. The SXR-series band thickness is .0016". SlickBands™ XR Matrices: Grab-Tabs™ for easier placement Non-stick coating Wider sub-gingival extension than the SM-Series