Inlcudes 2 blue and 2 white sets of impression putty material, additional impression trays, and Includes free USPS first class shipping. a pre-paid return label. 
 
This is enough to make two self made teeth impressions.
This does not include a guard. 
This is if you are only needing a new kit to re-do your impression or you waited to long to use your previous impression kit and the putty has since expired.