Features: 1. Remove Stains: Use our teeth whitening pen to effectively remove tea stains, coffee stains, dental pigments and dental plaque. Reduce dental fouling, improve oral hygiene, reduce oral disease 2. Safe and non-allergenic: Pure natural formula. Safely penetrates deeply and completely whitens teeth. The ingredients are safe and anti-sensitive, so the gel will not harm the health of the gums or teeth 3. Fresh and pleasant: whitens teeth while preventing the growth of oral bacteria, providing pleasant breath. Show your charming smile with confidence 4. After use, you can talk and swallow as usual, but please do not eat. As long as you use the pen as indicated, you can get a white smile Each pen lasts up to three weeks. 5. Easy to Carry: You can whiten your teeth in just 5-10 minutes The teeth whitening pen is both exquisite and delicate. Whether you are traveling or working, you can carry them as easily as everyday cosmetics Notice 1.Actual color may be slightly different from the image due to different monitor and light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Main ingredient: PE Size: 12.8x2.2cm Capacity: 4ml Package List: 1x Tooth Whitening Pen