I've cut off all the tags, I think it was cotton. Worn only once, felt a little small, so offering it to someone who needs it. Please note that measurements are approximate due to being taken by a layman. Width (underarm to underarm) is about 49 cm, length is about 51.5 cm. It's wrinkled from being folded, but will be shipped as is, so please understand. Stylish light blue V-neck shirt with a striped design and a ribbon. - Color: Light blue - Design: V-neck, with ribbon, striped - Sleeve length: Half sleeves Thank you for looking.