Cute Striped Black White sweater size S

Really cute acrylic striped sweater, looks like this is an Asian size, no tags, not oversized at all, fits like S possibly M but please check below: Measurements approximately 21” Pit to Pit 19” shoulder to hem Sleeves 15” shoulder to cuff Neck opening 7” across narrows to 6” at turtleneck Letting this go because I wanted an oversized look. Sweater is new without tags.