Illumina Smiles puts cutting-edge whitening technology in your hands at home or on the go. It is proven to whiten teeth up to five shades in as little as five days with little to no sensitivity. Fast, fun and easy-to-use, this kit comes with all of the essentials for a more confident smile.Contains:Mouth Tray LED Light and Adapter (compatible with USB, iPhone, and Android)4mL Dental Grade Teeth Whitening Gel Pen – 36% Carbamide Peroxide2mL Remineralizing/Desensitizing Gel PenLarge Clear Cheek RetractorSet of InstructionsZippered Travel Bag