ONYX Hospitality : Bookings in Thailand - Hotels from 900 THB, The Mosaic Collection. Use our Mosaic Collection Newsletter Promo Code 'TMCDJ5AF' with your next booking and get special promotions at our hotels in Thailand from now to 29 Feb 2016; rates from 900 THB. T&C: Booking period from now until 31 January, 2016. Staying period from now until 29 February, 2016.