【Specialized Correction for Sternum Deformities】Specifically tailored to enhance and alleviate conditions such as Pectus Excavatum, Sternal Depression, and Thoracic Depression. This product is suitable for use by both men, women, and children, providing targeted relief. 【Negative Pressure-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. 【Medical-Grade Silicone Construction】Crafted using premium medical-grade silicone, the suction cup boasts a soft, comfortable texture that is gentle on the skin while providing a strong and secure seal. 【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. 【Customized Suction Cup Fitting】Our suction cups are personalized to precisely match the curvature, dimensions, and nipple spacing of your chest's concave surface. To ensure a perfect fit, please contact us with your measurement data prior to purchase.