The Pens can be used to maintain your instant results after the Prefilled Tray Kits or as a standalone whitening solution on-the-go with the convenient brush-on applicator. And they can instantly wipe away the dark film immediately after drinking red wine or coffee. The Whiter Image Pen contains 60+ applications of our premium Whitening gel and the Chic-Flic dual-sided pen features whitening gel and our proprietary Lip Gloss Plumper for age defying, silky smooth lips.