Model No.: YZ-MTH006

New Features:
1) Name: Mouth Tray;
2) Made from 100% food grade, high transparent, good quality material.
3) It is double sides mouth tray with arch to help your mouth open.
4) Pre-fill whitening gel in it. Do not need to use foam strip or boil then bite mouth tray. 
5) You are welcome your great idea for your order.