Features:<br />Compatible with sterilization and the autoclave (<130??C)<br />Can be as Cheek Retractor/mouth opener/ Lip Retractors/ Cheek Expanders<br />Shape: O-shape<br />Material: Plastic<br />Dimension: approx. 7 x 6.8 cm / 2.76 x 2.68 inch<br />Package Includes:<br />2x Cheek Retractors