Although it's listed as XXL size, it's not that big. Back length: 47cm Width (pit to pit): 48cm I searched and found that the outer material is synthetic leather and the lining is 100% polyester. I used it once, but it didn't suit me, so I'm selling it. It was hanging in the closet. I will fold it for shipping, so please purchase only if you understand that there may be fold wrinkles and that it has been handled by someone else.