Includes 2x trays new and high quality Convenient to use Good product to shape your teeth Ideal for teeth whitening. Place the trays on your teeth form an impression. Trim the shaped trays, cut on the gum line. Apply the whitening gel in each drawer to whit your teeth. Immerse the bit in more than 80C hot water for 5 seconds, remove the drawer from the hot water and leave it cool for 10 seconds. Applicable to: adult Material: soft silicone Color: transparent Specifications: Convenient to use Good product to shape your teeth Ideal for teeth whitening Trim the shaped trays Apply the whitening gel in each drawer to whit your teeth Place the trays on your teeth form an impression Package Included: 2 x Teeth Whitening Tray Notes: Due to the difference between different monitors, the pictures may not reflect the actual color of the item. Compare the detail sizes with yours, please allow 1-3cm error, due to manual measurement.