Must be 18 or older unless accompanied by an adult. Advance Booking required 24hrs in advance. 24-hour cancellation policy. Limit 1 per person, may buy 1 additional as a gift. Valid for option purchased only. cannot be used in conjunction with any other offers. subject to availability. valid all week, subject to availability. The Merchant may require Groupon to desist from selling Vouchers by providing 30 days’ notice in writing (including email), but such notice may not take effect unless served after the first six months from the first day of feature. The Merchant may increase the monthly cap (subject to Groupon’s agreement) but may not decrease the monthly Cap by more than 50% of the initial monthly agreed cap Groupon success fee based on Cairn Hotel Group agreement. Should location opt-in thresholds not be met in set timeframe, success fee to be adjusted in line with agreement.