Gel Pre-loaded Mouth Tray, Whtening Gel, Mouth Tray, Teeth Whitening, Mouth Piece, Mouth Guard, Teeth Whitener, Bleaching Mouth Tray, Prefilled Mouth Tray Features: 1) Made from food grade material 2) Double channels mouth tray for upper and lower toothfill with whitening gel directly. 3) There are 12% to 44% HP or Carbamide peroxidewhitening gel. 4) Comfortable size and shape fit for kinds of people. 5) Comply with CE standards. 6)Sealed pack with foil pouch, good for shipping and selling. UV blocking. 7) You can custom your own brand.