Joes Jeans denim mini skirt size w 24 or 0

Excellent used condition, I just purchased this on here and it is too small. It said a 4, but it is NOT a 4. It is a 24 waist which is a 0. Waist measurement 13.5 Length measurement: 16 inches Slit measurement: 3 inches This listing is for 1 Item, the last image is an outfit idea. 98% cotton and 2% elastane Really soft and a bit of stretch to it