O type silicone teeth whitening mouth opener, dental care cheek retractor 

Features:

 Rational design, comfortable wear

 Easy to use.   

A D V A N T A G E S:

--Unique ergonomic design makes it extremely comfortable to wear

--Perfect for tanning bed users as it doesn’t strain wearer’s lips

--Made of soft silicone-based material for maximum comfort

--One-size-fits-all

--Sterilizable

Inspections:

1. Cheek Retractor to help open your mouth during bleaching or       other dental treatment.

2. Keep your lips from any stimulating.

3. Made from food grade material.

4. It can be sterilized at high temperature

5. Kinds of size, color, quantity are avalible.

6. It can help you open your mouth wider to avoid the stimulating     drugs access on your lips

 The images: