Features: 1. Professional teeth whitening pen effectively and quickly removes multi-year stains from more than 16 causes including coffee tea wine smoking soda and more. Removes multi-year stains. 2. Using only the best ingredients our teeth whitening gel pen provides fast whitening results in just 30 seconds a day. 3. Unlike other teeth whitening products and kits our instant teeth whitening pens are designed to be as simple and easy to use as possible to give you a beautiful smile. This teeth whitening pen is portable and can even be used while traveling. 4. Using a fine and focused tip brush the gel is effectively applied to the targeted area on the teeth. Make every visible part of your smile white! 5. If you're not satisfied with our teeth whitening products we've got you covered. Many people stock up on a few of these whitening pens to share with the whole family. Your group photo will look great with those beautiful smiles. Specifications: Net Content: 4ml Gross Weight: 22g Package Size: 1.8*1.8*12.8cm includes: 1 *Teeth Whitening Pen