It's a med jr's size. Measurements are: shoulder to shoulder 16" across, shoulder to waist 18", waist measures 18" across (36"), armpit to armpit 19" across (38" chest) and sleeves are 26" long from top of shoulder. Hope this helps!
To lower the days you press on a button that says edit when you go to your auction . From there you'll see something that says advanced options and you press on that. Then it shows number of days and then you can lower the number of days that it says on there.