The price of laundry service at the Cosmopolitan Hotel in Las Vegas, Nevada, might vary depending on the type of laundry service you require (e.g., regular laundry, dry cleaning, pressing, etc.) and the specific rates set by the hotel.
To get the most accurate and up-to-date information about laundry service prices at the Cosmopolitan Hotel, I recommend visiting their official website or contacting the hotel directly. They will be able to provide you with detailed information on their laundry services and the corresponding pricing.