Glamza Hello Smile Mouth Tray and Optional Whitening Gel Upgrade your mouth guard with 1, 2, or 3 optional whitening gels Emits a strong LED light for whitening accelerating Mouth tray can sit in your mouth without needing to hold it Quick and easy to use - wear for 20 minutes a day for the best results Buying Options: 5.99 pounds instead of 9.99 pounds for the mouth tray - save 40% 7.99 pounds instead of 19.99 pounds for the mouth tray - save 60% 11.99 pounds instead of 29.99 pounds for the mouth tray - save 60% 17.99 pounds instead of 34.99 pounds for the mouth tray - save 49%