Check the listing for details. 1.491-2 Dental Self-Adhesive Transparent Matrices Polyester Sectional Contoured. Condition: New. Listed at 12.34 USD. Matrix ends are covered with a special glue layer for side-to-side conjunction No matrix retainer required Alcohol immersion disinfection,disposable use,can not be disinfected under high temperature and high pressure Installation of self-adhesive matrix , Install matrices Remove red protective layer from matrix side Stick glued matrix sides with each other Polyester Matrices For Premolar / Molar /Anterior Teeth Quantity：you can choose to buy the quantity you want FDA Statement:The sale of this item may be subject to regulation by the U.S. Food and Drug Administration and state and local regulatory agencies. If so, do not bid on this item unless you are an authorized purchaser. If the item is subject to FDA regulation, I will verify your status as an authorized purchaser of this item before shipping of the item.