Posture supporter made of stretch material to straighten your back. - Brand: ANSINDO - Product Name: Posture Supporter - Size: M - Design: Designed to straighten the back - Material: Stretch material - Features: Structure to support the back Thank you for viewing. I am selling this because I stopped using it after using it about twice. Kyosei belt, round shoulder posture supporter, posture correction belt, supervised by a chiropractic clinic director, kyosei correction, posture correction, kyosei supporter, back muscle correction, round shoulder correction, kyosei improvement, spine support, kyosei corset, recommended product.