SWISS Gourmet food, La Prairie skincare products, and designer pajamas are a few of first class cabin perks aboard SWISS.For those lucky enough to ride in a first class cabin, a 20-hour flight is actually something to look forward to. 
AirlineRatings.com, which rates airlines on the level of comfort and safety they provide to passengers, recently ranked the top 10 airlines with the best first class cabins.
From multi-room suites to double beds covered in plush linens, here's a look inside the cushiest first class cabins in the world.