Tonwhar Owl Adult-Sized Costumes Pajamas Luxury Flannel Animal Onesies Warning: You might not be able to take your onesie off once you realize how much fun you have with it on! Made of Flannel, soft and comfortable for wear Fantastic detailing makes sure your costume looks great. (People absolutely go mad for them at fancy dress parties and festivals!) All of our kigurumi costumes are machine washable and can stand repeated cleanings without losing their shape. Comfortable ultra-soft plush material that would keep you warm while lounging around and going about.