This very stylish jjs house strapless prom dress is in blue satin type material it is fully lined the size is not given on the manufacturers label but we estimate around 38 bust 40 hip the length from the top of the rear back to the hem is 50 lace up back over a bra type hook fastening concealed pre formed bra cups as this is a corset back it can be adjusted for a perfect fit this garment is in excellent as new condition