2 x Dental Mouth Guards for Bruxism teeth Night Guard,Grinding Teeth,TMJComplete tray set - 2 shields, 1 upper and 1 lower2 x high quality thermoforming Grinding teeth traysThis set is non-toxic and has zero smells attachedMade from food grade EVA materialsThey are very easy to use and fast to mould to your teethThey can be remoulded multiple timesHow to use: 1. Submerge the mouth trays into approximately 80C hot water for 5 seconds, remove the tray from the hot water and let it cool for 10 seconds. 2. Place the trays on your teeth to form an impression. 3. Trim the formed trays, cutting at the gum-line. 4. The trays can now be used as either whitening trays or gum shields Please ensure the temperature of the water does not exceed 80 degrees Celsius, the water must not be boiling hot Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store