Winter/Autumn Coat Jacket for Lady

(NWOT), never been worn Beautiful purple Autumn/Winter Coat/Jacket . I just received it in the Parcel but the size is too big for me. I ordered this for myself M size but it is like a Large size. Length of Jacket: 29” Arm pit to Arm pit : 23” Material: Down inside and Polyester on outside lining. Originally packed from Mainland China. Never been worn. Brand new. Just to show original photo posted by Seller. (Photo #1 that a model is wearing it) From a Pet/Smoke free home.