*Mouth Mask is personal care products, as it involves health, we won’t accept returns or exchanges after sales, except quality issues.
Function: Dust-formaldehyde anti-bacteria anti-secondhand smoke
The brightness of the pattern is depend on the Absorption of the light source intensity and the length of the time.
We maintain high standards of excellence![](https://pics.ebaystatic.com/aw/pics/icons/iconStar100_17x14.gif)
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and strive for 100% customer satisfaction!
Feedback is very important to us.
Please let us know before leaving any leave Neutral
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feedback or 1 point, 2 point low DSR or open any disputes on Paypal and Ebay, please give us the opportunity to resolve any problems and we will try our best to satisfy your needs.