"color as shown Size22.6 x 13.4 x 7.3 cm Weight: 280 grams TOOTH MODEL: This demonstration tooth model truly simulates human teeth. It applies to dental education, teaching children to brush teeth, dentists and patients, facilitating people understand the condition of teeth more clearly. Made of high quality plastic, which is strong and durable, safe and non-toxic, environmentally friendly and can be used for a long time. This is a very practical dental teaching mold. STANDARD MODEL: The pvc tooth model has 28 standard teeth and is designed according to the human body. The gum part of the model is silicone, which can simulate real gums, and the touch is soft and true. 180 DEGREES: Our model dental can open 180 degrees and is more convenient to operate. It can better accomplish dental teaching and make people more complete of understanding of teeth. care about your teeth. The fixed design of the dental model can better show how children brush their teeth."