ONYX Hospitality: Bookings in Thailand : Hotels from 975 THB, The Mosaic Collection. Use our Mosaic Collection Newsletter Promo Code with your next booking and get special promotions at our hotels in Thailand for stays now to 30 April 2016, rates from 975 THB. Terms & Conditions: Booking period from now until 31 March, 2016. Staying period from now until 30th April, 2016. Book Now.