Check the listing for details. 1Pc Dental Model Invisible Retainer Metal Brackets Contrast Aligner Comparison. Condition: New. Listed at 35.81 USD. Total 1 pc When purchasing this product, we will give you a high-quality box for small items. (Only one box) Dental Study Model Invisible Retainer Metal Brackets Contrast Aligner Comparison. Upper jaw is clear aligner, low jaw is metal brackets. A strong contrast of Invisible aligner and traditional metal brackets. Great Teaching instrument,ideal tool for dentist shooch's training courses Great value implant patient education model High Quality Material 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, you can bid on this item only if 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.