The Sealed 3D Crest Whitestrips Classic Vivid Starter Kit includes a set of whitening strips and a teeth whitening pen from the trusted brand Crest. The Whitestrips are designed to provide a brighter and more vivid smile, while the pen is perfect for touch-ups and on-the-go whitening. Both products are sealed to ensure freshness and effectiveness, with expiration dates of 2-28 for the strips and 1-28 for the pen. This starter kit is a convenient and easy way to achieve a brighter smile at home.