Women's size large sweater dress purples and black in color

this is about me length it is a large women's sweater dress short sleeved like brand new too big for me plus I don't understand if it's a sweater dress why it has short sleeves it just doesn't make sense to me LOL And I'm more like a small but relatives that don't live around here don't realize that either which is fine it's the thought that counts so anyways if you want more pictures or photos let me know there's no tags but it is barely been worn it's in great condition