The two first and business class get much far better bedding blankets and pillows for very long-haul flights, but first class often comes with a mattress pad for additional ease and comfort, also. Even so, it's important to note that redeeming mileage with Delta can be expensive, and recent improvements https://businessflightshop.co.uk/blog/book-cheap-first-class-flights-to-chennai-for-a-destination-wedding-in-india/