This is a large size. No hook. Made of jacquard material with a sturdy fabric. How about using it differently depending on your mood for the fall and winter season? (*´꒳`*) For those who love saunas, I hope it will be a fun companion for your sauna activities!! I made it because I couldn't find anything I liked. ⭐︎ This is a stylish hat that can be worn even in a tent sauna or when camping. Tulip hat type Outer fabric: cotton, polyester Finished with a towel lining. You don't have to worry about it tearing like felt. It is sewn without attaching the front and back so it is easy to dry, and you can open both sides to dry it. Reversible and can be used on both sides ⭐︎ This is a handmade product, so please refrain from purchasing if you are looking for perfection.