Teeth Whitening Shade Guide

Feature:
1.High-end and high-quality professional teeth whitening shade guide20 color levels are used for comparison before and after whitening
2.Simple and clear, each color scale can be extracted, easy to disinfect and clean
3.It is convenient to clearly record and observe the changes in the color of your teeth
4.Exquisite aluminum box packaging with mirror, beautiful and practical, easy to carry