Feature: <br> <br>Made of high quality material, which is stretch, no smell. <br>Withstand 121 degrees high temperature, can be sterilized with boiling water. <br>Placed in the mouth can be very comfortable to open the upper and lower teeth, easy for doctors to operate. <br>A good and effective intraoral supporting device when you see a dentist. <br>Different sizes to meet the needs of people of different ages. <br> <br>Specification: <br>Material: Medical Plastic <br>Weight: 32g / 1.1oz <br>Shape: Big, Middle, Small <br>Color: Purple, Green, Yellow <br>Product dimension: <br>Big: 3.95*3.95*2.04cm / 1.56*1.56*0.8in <br>Middle: 3.45*3.65*1.7cm / 1.36*1.44*0.67in <br>Small: 3.3*2.8*1.7cm / 1.3*1.1*0.67in <br> <br>Package list: <br>3 * Device(1* Big+Purple, Middle+Green, Small+Yellow) <br> <br>Note: <br>The actual product color may deviate from the photo due to light. <br>There may be a slight deviation in the measurement of product dimensions.<br>1、Made of high quality material, which is stretch, no smell. <br>2、Withstand 121 degrees high temperature, can be sterilized with boiling water. <br>3、Placed in the mouth can be very comfortable to open the upper and lower teeth, easy for doctors to operate. <br>4、A good and effective intraoral supporting device when you see a dentist. <br>5、Different sizes to meet the needs of people of different ages.