Medicom SafeMatrix and ?SafeMatrix Contour ?is a patent pending design? with a unique push-button diverter. Fully disposable? Single Product System - no assembly or application tools required?. High-tension mechanism for better compacting?. Suitable for use with all restorative materials?. Suitable for use with wedges and rubber dams.- Clear Contour Single-use Matrix Band. Narrow, 4.5mm, Pink, 50 bands/bx (Not Available for sale into Canada)