Size 0 Black & White Patterned Sleeveless Dress

SHEIN polyester dress; Tag reads size L but it is absolutely a size 0 or XS; (maybe it’s a child’s large 🤷‍♀️) I am a 2 and it’s a little too tight and a little too short. I don’t know how SHEIN sizes run but this is 💯 XS. Never worn.