food grade silicone mouth guard for teeth whitening LED light
Product features:
1. 100% food-grade material
2. non-toxic, high transparent
3. suitable for plasma led lamp
2. dual sides
3. very soft
4. each piece packed in an OPP bag
5. more comfortable and convenient to use
Direction for use:
1). place thin layer of teeth whitening gel on double sides of the mouth piece.
2). match the plasma led lamp.
3). put it into your mouth, bite it. A treatment takes 20-30 mins.
4). after the treatment, rinse your mouth and clean the mouthpiece for recycle use.
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