【Supports Foot Health】 These insoles are designed to fit the shape of your foot, promoting proper walking. They adjust the height of the inner side to enhance foot support. 【Comfortable Cushioning】 Small protrusions stimulate the soles of your feet, providing a massage effect. They maintain comfort even during prolonged use. 【Knee and Foot Balance Adjustment】 By balancing the knees, they reduce the strain on your legs while walking. Arch support also improves the fit, enabling comfortable walking. - Insole Design: Designed to fit the shape of your foot - Foot Support Function: Adjusts the height of the inner side to support proper walking - Cushioning: Massage effect from small protrusions - Knee Correction Function: Function to balance the knees - Improved Fit: Improved fit through arch support Thank you for viewing. I have never used it after purchasing. Thank you for your consideration.