Features: 1. Two mouth trays: One for upper teeth and one for lower teeth 2. Great to prevent teeth grinding at night and whiten teeth Description: Item Type: Mouth Trays Material: Food-grade Silicone Color: Clear Size: 7 x 6 x 1.3 cm Package Included: 2 x Mouth Trays Usage Instructions: 1.Place the tray into hot water about 70°C for 10-15 seconds to soften and remove from the water 2.Place the trays into your mouth and press the bonding surface of tray and gum. 3.Cut the extra at the impressed gum-line and finish making the tray Notes 1.If the tray is not made well, you can repeat the process for the second times 2.Please clean the tray with water before using 3.The replacement time of the trays is 3-4 months 4.It is normal to feel discomfort for the first time to wear the tray. You will get used to it after several times
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