["brand new and high quality\n2Pcs Thermoform Moldable Mouth Teeth Dental Trays Tooth Whitening Guard Whitener\n\n Description:\nSpecifications：\nMaterial: Food-grade Silicone\nColor: Clear\nSize: 6.5 x 6 x 1.3 for cm / 2.55 x 2.3 x 0.51 \"\nTwo mouth trays: One for upper teeth and \none for lower teeth\nGreat to prevent teeth grinding at night \nand whiten teeth\nUsage instructions：\n1. Place the tray into hot water about 70°C for 10-15 seconds to soften and \nremove from the water\n2. Place the trays into your mouth and press the bonding surface of tray and \ngum. The tray is now moulded\n3. Cut the for extra at the impressed gum-line and finish making the tray\nQuantity: 1 Pair\n\nNote：\n1. If the tray is not made well, you can repeat the process for the second \nmould.\n2. Please clean the tray with water before using.\n3. The replacement for time of the trays is 3-4 months.\n4. It is normal to feel discomfort for the first for time to wear the tray. You will \nget used to it after several times.\n5. Due to the different monitor and light effect, the actual color of the item \nmight be slightly different from the color showed on the pictures. Thank you!\n6. Please allow 1-3mm measuring deviation due to manual measurement.\n\nPackage includes:\n2 x Mouth Trays"]