interesting I saw it on web site I booked my cruise:
amenities in each cabin (including bathrobe and slippers), pillow menu, access to Thermal Area (for adults only), 40% discount on a dedicated Spa Prepaid Package, 10% discount on all Spa treatments purchased on board, qualified multilingual personnel, priority boarding & luggage drop off, MSC Voyagers Club points
I don't know if its' something new or just a mistake ? and it's actually says it on MSC USA site now