[Versatile Use]: It can be used as a cheek retractor, mouth opener, lip retractors and cheek expander [O Shape]: The rubber mouth opener adopts a design O-shaped, which provides maximum visibility in the oral cavity and facilitates . [Excellent Rubber]: Made of rubber material, the disposable O-shaped mouth opener has strong elasticity, to use and without peculiar smells. [Reliable]: Individually packaged for and disposable use, ensuring safety and hygiene. [Tongue ]: Prevents the tongue from being injured during dental processes, ideal for professionals.  Specifications:  Item Type: Disposable Rubber Mouth Opener Material: Rubber  Package list: 10 rubber dam mouth openers.