Bust-up innerwear, back posture correction belt, posture correction, bust-up S, new Back posture correction, bust-up innerwear, posture correction belt, underwear, posture correction, bust-up bra, goods, correction, back posture correction belt, how to fix hunchback ▼Specifications▼ Material: Nylon, polyurethane Washing method: Washable (hand wash) ▼Size▼ Size: S Underbust (cm): 55-67 ▼Recommended points▼ [Recommended points] This is a supporter-type correction underwear innerwear designed to lift women's busts and correct posture. Can be worn over a bra. [Bust-up] The wide shoulder straps make it a bust-up device that prevents digging in and creates a cleavage. Loose underbust bras can cause sagging breasts. Adjust the underbust with the 3-stage hook to correct and lift the bust. Supporting the armpit area prevents the bust from moving. It fixes the flesh guided from the back to the chest without letting it go. This is a bra that improves posture and can be used for bust care and breast growth. [Breathability and durability] Made of mesh material, it is breathable and can be worn all season. Washable. [Stretch and flexibility] Made of stretchy rubber.