ONYX Hospitality: Bookings in Thailand: Hotels From 945 THB, The Mosaic Collection. Use the Mosaic Collection Newsletter Promo Code with your next booking and get special promotions at our hotels in Thailand from now to 31 Dec 2015; rates starting from 945 THB. T&C: Booking period from now until 30th November, 2015. Staying period from now until 31st December, 2015. Book Now.