Features:100% brand new and high qualitySimply brush on for a whiter brighter smile.Use anywhere fast and convenient application.Safe and effective dentist formulation.Applicable to the crowd: for all kinds of exogenous coloring, such as smoke stains,tea stains, coffee, cola, colored food, bad habits caused by yellow teeth, black teeth. How to use: 1. Clean and dry your teeth. 2. Open the cover. Twist another end of the pen. 3. Brush the gel on to your teeth. 4. Do not contact your teeth within 30 seconds to 1 minute. 5. Clean your mouth after 30 minutes. Caution: 1. For cosmetic use only. 2. Do not swallow and avoid contact with eyes. 3. Store in a cool and shaded place and out of the reach of children. 4. Temporary tooth sensitivity may occur, but discontinue use upon sustained discomfort or irritation. Specification:Pen color: White+Blue Net cotent: 3g Ingredients: Phytic acid, Glycerin, Sodium Citrate, etc. Quantity: 6Pcs