found it on NCL page:
https://www.ncl.com/why-cruise-norwegian/cruise-accommodations/minisuites-and-balconies
"Club Balcony Suites provide additional amenities and privileges at no additional cost. Amenities include the option to pre-book onboard entertainment and dining as early as 125 days prior to sail date, complimentary treats delivered to your stateroom, a complimentary bottle of sparkling wine, and a choice of one valet laundry or pressing service."