1. Soft Silicone Material: This dental cheek/lip retractor is made of soft silicone and has strong resilience. Easy to wear, soft lip protector. 2. Disinfection: This mouthpiece can accept repeated high-temperature disinfection and sterilization, and it is not easy to damage. 3. With Tongue Guard: Use this mouthpiece to block the tongue out of the dental treatment environment and provide a better view for the dentist to operate. 4. A Set Of Three Pieces: The three dental mouth opener sets together have three colors, pink, green, and blue. 5. Multiple uses: It can be used as a mouth opening tool for dentists when treating dental diseases, and as an cheek retractor for whitening teeth. › See more product details