Item Type: Teeth Color Chart Material: PVC Purpose: To compare the degree of teeth whitening when teeth whitening Characteristics: Clearly visible, 15 kinds of whitening degree contrast Package List 5 x Teeth Color Chart 1Pay Attention To Dental Health: Help patients see dental differences at home, so that family members with poor dental health can pay more attention to dental health. 2Easy To Compare: Arrange in the order of the shade value to make your teeth whitening effect easier to see. 3Suitable For Professional Or Individual Use: The tooth color chart is suitable for professional dentists or people who use tooth whitening products. 4Excellent Material: Made of high quality material, safe and eco friendly, non toxic and stable, durable for long term use. 5Compact And Portable: 5pcs of teeth color chart are available, meet your use needs. Light weight and in small size, easy to store and carry.