A course of 8 one-on-one classes should be used in 40 days.
A course of 16 one-on-one classes should be used in 60 days.
If you buy a course of 16 lessons, you can take a 7-day freeze.
An individual class can be rescheduled at least 12 hours before the class, otherwise it is burnt out.
In group classes, you can skip one class without losing it.
Group classes are held 2 times a week.