It can be used for general dental purposes, also can be used as a fun gift or a play toy, watching your friends smile and laugh.^-Made of high quality clear plastic, reusable.-Support high temperature disinfection and immersion disinfection.-This intraoral cheek and lip opener is Type C and is perfect for use in the "Watch Ya Mouth Game" (use with the Iphone App "Watch Ya Mouth Game") or in the "Speak Out Game" Professional Grade Dental Cheek Retractor . Also for conventional use Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!