Brand from China: GlorySmile. Double cleaning power, decomposing tooth stains, effectively whitening teethFast foaming speed, rich and dense foam, with refreshing flavors, to remove bad breath4 flavors available, included V34 or charcoal, can be chewed at any time, convenient to carry around and easy to useHow To Use:Chew directly, can choose to rinse or brush your teeth after chewing