In Mulle-gol, a hotel is required to offer a specific level of upscale conveniences to earn 5 stars. These may include on-site gyms, gourmet restaurants, saunas and spas, complimentary luxury toiletries, premium bedding and more. What also sets 5-star hotels apart is their guest-focused service. You'll enjoy things like concierge services, in-room massages and nightly turn-down services. Some may even offer special touches such as welcome gifts.