To Go is a portable, professional-grade whitening pen for on-the-go use. The fast-acting formula effectively removes stains caused by coffee and wine for a bright, white smile without any trays, strips, or rinsing. Great for use on its own or for maintaining whiteness in-between treatments. The invigorating mint flavor freshens breath. Pack Contains: - 1 x 9% HP Whitening gel: 101 Fl.Oz (3 ml). **For further product information, please contact Chat Support**