FeelinGirl Women's Underbust Waist Trainer Vest Vintage Lace-up Corset Dress Material:82Spandex+18Nylon.Adjustable lace-up back will make you be in a comfortable status. Underbust waist trainer vest is fashionable and well received among young girl. Corset style could give you a good shape and help you lose weight.What's more,waist cincher vest will make you more elegant. Steel botton front and thick string back which ensure this corset could fit your figure at the most extent. Do not use amazon default size chart. If you are not sure about your size,please contact us with your bust,waist,length from shoulder to hem and hips measurement.