Health and wellness provider Steiner Leisure, has announced a new deal with Royal Caribbean International that extends the term of its original agreement with the cruise line brand until December 2017.

Steiner has been the exclusive provider of spas, salons, fitness and related beauty products on Royal Caribbean vessels and on their newest vessel - the Quantum of the Seas - included will be a two-level spa and fitness centre, which will include two private fitness consultation rooms, an indoor cycling studio, Smile Spa, barbers, thermal suite and relaxation lounge.

Treatments on offer will include Elemis face and body therapies, Bliss treatments and medi-spa services, performed in one of 19 treatment rooms.

Steiner Leisure operates onboard 159 ships - almost three-quarters of their entire operation. The remaining 66 locations are land based, with 28 of those operated by third parties that have licensing agreements with Steiner.

Steiner is also scheduled to start operating onboard Anthem of the Seas, scheduled to set sail in 2015 while the Quantum of the Seas will enter service in 2014.