Feature:1. [Easy To Clean] Silicone color code rings support high pressure steam cleaning, simple operation will be able to wash it very clean.2. [Safe Material] Color code rings is made of high quality non toxic silicone material, which is safe and reliable to use and has excellent toughness.3. [Convenient And Practical] The small size and light weight of color code rings make it easy to use and a wonderful and practical dental tool.4. [Main Function] Silicone dental color code rings are easy to identify orthodontic and dental appliances to distinguish.5. [Product Specifications] Dental color code rings come in a package of 100 color code rings per color to meet your different needs.Specification:Item Type: Dental Color Code RingsMaterial: SiliconeProduct Specifications: 100 Green, 100 BlueUse: Easy to Distinguish Between Orthodontics and Dental Instruments.Package List:200 x Dental Color Code Rings