Features: Simple Black Design: The classical black appearance is both fashionable and understated, suitable for various wearing styles and meeting the needs of different occasion. Quality fabric: Elastic and wear-resistant fabric to increase comfort and durability, ensuring long-term use without deformation. Adjustable design: Support multiple size adjustments, suitable for different body types, ensuring comfortable wearing and effective fixation. Convenient to carry: compact, lightweight, and easy to store, it can carried around for easy use during travel or travel. Improving hunchback: Effectively fixing shoulder and back pose, helping to improve hunchback phenomenon, and promoting healthy spinal development. Breathable design: The lining fabric is breathable and comfortable, even if wear for long time, it will not feel stuffy and keep the skin dry. Invisible Wearing: Thin design, suitable for concealed wearing in daily life, does not affect appearance, and can use for work and study. Specifications: Fabric: Polyester Fiber Color: Black Type: bag packed, box packed(optional) Size: approx. 17cm/6.69inch Package Includes: 1 Piece Adult Hunchback Correction Strap note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.