PRODUCT DESCRIPTION</br> Material: upgraded heat-trapping silver polymer fabric</br> Sizes: S/M/L/XL/2XL</br> Feature: sweat vest waist trainer for women with open chest design，Use silver-coated sweating material to sweat more quickly，zipper is easy to put on and take off, and the front and back reflective color contrast design can improve the safety of night sports.</br> </br></br> SIZE MEASUREMENT</br> Please refer to our size chart before order, and Choose the right size below that fit you.</br> NOTE: If your waistline is between two size, please choose a bigger one.</br> Size S -------- Fits waistline 26.8"-28.7"inch</br> Size M ------- Fits waistline 29.1"-31.1" inch</br> Size L -------- Fits waistline 31.5"-33.5" inch</br> Size XL ------ Fits waistline 33.9"-36.2" inch</br> Size 2XL ----- Fits waistline 36.6"-39.0" inch</br> HOW TO WASH</br> Dot not machine wash.</br> It is better to wash in cold water, and the temperature should not exceed 30 degrees Celsius.</br> DO not bleach, it will hurt sauna vest.</br> DO not Iron.</br>