● Pectus Excavatum Orthosis Brace ---- Used to improve sternal deformities such as pectus excavatum, sternal depression, and chest depression. It is suitable for everyone, regardless of height, weight, or thinness. We can help you recover your health together. ● Correction principle ----Assisted Correction: Leveraging the power of negative pressure, it gently pulls the indented sternum forward, stimulating the gradual restoration of its natural shape. This non-invasive approach aims to improve chest contour over time. ● Intuitive Negative Pressure Adjustment ---- Featuring a clear, easy-to-read dial, users can conveniently adjust the negative pressure levels to suit their comfort and needs. For first-time users, we recommend consulting the user manual for detailed instructions. ● Safe and reliable materials ---- Our suction cups are made of food-grade PP material, odorless, and BPA-free, so your family can choose with confidence. They are washable, easy to clean and maintain, and can be used repeatedly. ● ! Attention!---- Our suction cups are customized according to the size of the user's chest concave surface and the width between your two nipples. Please be sure to contact us and provide your measurement data before purchasing.