Medicom Pro-Matrix Band Box 30020 by Medicom GROUP: Dental Merchandise:Matrix Item Description: Matrix Band, Disposable, Wide, 4.5mm, 50/Box (Not Available for sale into Canada) Packaging Desc: Band Pro Matrix Disp Narrow4.5Mm 50/Box Country of Origin: Harmonized Tariff Code: Product Description: Single-use designed to perform all dental restorations using both amalgam and composite filling materials. Comes ready to use, with no assembly required to save the dentist time. The sleek, narrow front design allows for better visibility during procedures and less obstruction when using other tools and devices.