WAPI Plus Strapless Maxi Dress

This dress is a sample dress from WAPI. There are no labels on the dress. Fully lined. So I don’t know what the material is made of but it feels like Rayon and polyester mix. There is no size tag but I think it is XL. Here is the measurements laid flat. Top elastic hem 14”-20”, elastic on waist 16”-24”, length 50”. Item is brand new with sample tag. Mannequin measurements :Bust 37”, waist 35”. It fits the mannequin nicely so if you have similar measurement then it should fit.