Although unused, it has been pre-washed. I am selling it because my child outgrew it after I purchased it. 100% cotton. Spare button included. Measurements are approximate: Size M Actual measurements: Shoulder width: approximately 41cm Body width: approximately 52cm Sleeve length: approximately 22cm Length: approximately 70cm Material: 100% cotton Please understand that this item has been stored at home before purchasing. I am also selling this item on other flea market sites, so it may be removed suddenly. Thank you for looking.