Practical Dental Whitening Set – GearBest
Product link: http://goo.gl/VYYKqx
• Suitable for people with yellow or black teeth.
• Powered by 2 x 3V CR2025 button battery ( included )
• Giving you a new appearance and makes you more charming
• Submerge mouth tray in hot water for 5 seconds.
• Place tray on your teeth, form an impression.
• Trim the formed trays, cutting at the gum-line.
• Fill the trays with whitening gel along the teeth impression, then wear the tray.
• Brush and rinse your mouth thoroughly after whitening.
• Use for 30 minutes to one hour daily for 10 days or when you feel you need to.