Expiration varies. Amount paid never expires. New customers only. Limit 1 per person, may buy 2 additional as gifts. 15 years and older. Must sign waiver. Classes are non-transferrable. Must use all classes within 4 months of first class/redemption. Online reservation required. All goods or services must be used by the same person. Valid only for option purchased. Customers new to boxing lessons must use their first three sessions for Beginner Boxing Classes before taking Intermediate Boxing Classes. No experience required for TRX Circuit Training. Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services. Learn about Strike-Through Pricing and Savings