Thank you for viewing. It's made of cotton. As shown in the image, there is some discoloration on the collar, so please understand. The actual size is: length 66cm, sleeve length 60cm, shoulder width 40cm, body width 46cm. There is no size indicated, but it is approximately a size M. Please be sure to check the actual size. Please understand that there may be some errors in the measurements as they are taken by a amateur. Basically, most of the items on sale are used items, so please judge the condition from the images and only purchase if you fully understand that they are used. Please understand that items cannot be shipped on Saturdays, Sundays, and holidays.