Size M-L Width: Approximately 52cm Back length: Approximately 65cm Relaxed fit. Made of 100% cotton, so it's cool and comfortable to wear. It's a sleeveless shirt, but designed to cover the upper arms. The design also conceals the hip line. This item has only been tried on, but as it is white, please refrain from purchasing if you are sensitive to such things. Thank you very much! Off-white cotton blouse