This is a set of two. It's new. It's a 100% cotton T-shirt, size S. The color is light green. Suitable size: Chest: 80-88cm Height: 155-165cm Measurements (laid flat): Length: 59cm Width: 42cm Shoulder width: 39cm Sleeve length: 18cm Sleeve width: 16cm Please note that there may be slight variations in size due to amateur measurements. 100% cotton. Made in China. The color may not be accurately represented in the photos. It is a light green color. Please refrain from purchasing if you are sensitive to items that have been stored for a long time. Thank you.