Sexy off the shoulder sweater dress with knot back

Purchased off Amazon, worn once, too tight for my size. Item is 'One Size' but if you want it to fit like the stock photos it would be better suited to someone size 6 or smaller. Amazon description: 100% Acrylic Hand Wash Only, lay it flat to dry The collar is fully adjustable and versatile. You can fold it down to expose shoulders or wear it bunched up around the neckline. You can also fold this up to make a sweater or wear it down like a dress Casual full sleeve slash neck strapless knit mini dress with back knotted to show your perfect backline It is perfect with leggings or long boots, it is perfect for party ,dating, club, vocation or daily wear