double layer teeth whitening mouth guard
Product features:
1. 100% food-grade material
2. dual sides
3. very soft
4. prefilled with teeth whitening gel, easy to use
5. packed in foil pouch, vacuum sealing, good for shipping and selling.
6. stick your customized label on the foil pouch
Direction for use:
1). take out the prefilled teeth whitening mouth tray from the foil pouch.
2). put it into your mouth, bite it. A treatment takes 20-30 mins.
3). after the treatment, rinse your mouth and clean the mouthpiece for recycle use.
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