The Introductory offer is valid for first time students only and can be used for Heated yoga and Non-heated yoga classes. Example. If you purchase the Introductory offer on a Saturday, you take class on Saturday 9:00am, Sunday 9:00am, Tuesday 9:30am, Thursday 9:30am, Saturday 9:00am, and Sunday 9:00am. That is 6 classes for a total of $20.