Made of warp - knitted fabric, this posture corrector helps fix posture and improve hunchback. Two colors (beige/black) for choice. Criss - cross straps with tension pull for stable support. Adjustable tension belt ensures a custom, comfy fit—no tightness. Breathable, lightweight, ideal for daily wear at work/study. Straighten your back, boost confidence! Product specs: 74cm (length) × 58cm (width) × 1cm (height), with a volume of 4292 cm³ and weight 80g. Lightweight and easy to store.