The Guru Nanda Every Smile Matters Teeth Whitening Kit features a mint flavor and includes active ingredients such as hydrogen peroxide and sodium hydroxide to effectively whiten teeth. The kit includes an LED whitening accelerator light tray, mouth retractor, and a no-mess brush applicator for easy use. Additionally, the kit comes with a travel case for convenience on the go. The essential components and features of this teeth whitening kit make it a reliable choice for achieving a brighter and more confident smile.