- This product is used in dental intraoral cheek. - It can avoid patients fatigue by using mouth prop, making patients enjoy a relaxing treatment. - It can stop lip moving and protect patients from hurting. - Adjustable design, convenient to use. - Silicone material, safe, healthy and harmless. - Besides, it can be sterilized in 135 degree centigrade. **For further product information , please contact Chat support**