FDA approved mouth tray for teeth bleaching. Non-toxic, not costly, high quality. The patent design ... ,Manufacturer of Bleaching,Mouth Tray,Mouth Guard,Dental ProductsFeatures:1) Mouth Piece for teeth whitening.2) Fill with foam strip and whitening ... .3) To make your smile confidently.4) To white your teeth in short time.5) You are welcome your own design ...