Residue-Free Teeth Whitening Strips - Smile Kit Teeth Whitening Strips are easy to use and require only 30 minutes of daily application. Unlike other teeth whitening products, our PAP+ tooth whitening do not leave any post-whitening mess or residue. Pain-Free Teeth Whitening with PAP+ Strips - Smile Kit PAP+ Teeth Whitening Strips use a well-known formula that can remove stains from teeth without causing any discomfort or sensitivity, resulting in a pain-free teeth whitening experience. Whiten Teeth Effortlessly - Smile Kit Teeth Whitening Strips feature a secure attachment to the surface of teeth, promptly releasing the active PAP+ formula into the tooth's structure for speedy and effective teeth whitening. Enamel Safe And Sensitive - Smile Kit's teeth whitening solution is perfect for individuals with sensitive gums.our teeth whitening kit professionally removes stains and leaving you with a pearly white smile that you can confidently flaunt. Complete Whitening Package - Smile Kit's PAP+ teeth whitening kit includes 28 strips ( 14 pairs) for upper and lower teeth. It's a complete whitening package, perfect for on-the-go maintenance of your pearly whites