Promotional value expires 120 days after purchase. Amount paid never expires. Limit 1 per person, may buy 1 additional as gift. Limit 1 per visit. May redeem across visits. Valid only for option purchased. All goods or services must be used by the same person. 10 class pack must be used within 30 days of activation and 20 class pack must be used within 60 days of activation. May be repurchased every 30 days. Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services.