5D White Teeth Whitening Strips Kit with 20-Shade Progress GuideGet a brighter, whiter smile from the comfort of your home!Designed for fast, efficient results while remaining gentle on tooth enamel. Formulated to effectively lift tough stains caused by coffee, tea, wine, and smoking with clear, easy-to-follow instructions to ensure you get the absolute best results. Includes 28 strips (14 pairs).