Ion Energy Vest: This Ion Energy Vest adopts the innovative technology of negative oxygen ions. These negative oxygen ions promote cell regeneration and improve nerve function, aiding in enhancing back health and posture.High Quality Material: The product is made of high-quality nylon fabric, which is soft, comfortable and breathable, enhances the wearing comfort, and creates a sexy and fashionable shape.The invisible chest pull-up vest creates a perfect close-fitting effect.Reinforced Plastic Breast: Prevent sagging and improve the expansion of constricted push-up underwear,This vest helps increase metabolism, stimulates the lymphatic system.It allows you to burn fat while sleeping, working, or exercising.SPECIFICATIONMaterial:Cotton+SpandexColor:Skin,BlackSizes:S--3XLFeatures:breathable and comfortableApplicable people:womenOccasion:CasualDetail:Machine Wash,do not bleach.Lay flat to dry.PACKAGE INCLUDES1 * Forslim Ion Energy Vest, Shaping & Powerful Breast Supporter