Elastic soft material: the heel lift insert is mainly made of high-elastic silicone material, which protects the heel softly, has high adsorption force, and does not move in the shoe; These long-lasting heel cushions are durable and reusable, suitable for men and women; Anti-slip tips: it is recommended to stick double-sided tape at the bottom of the insole to make the shoe and the vamp close together, so as to prevent the insole from slipping during walking Reduce heel discomfort: the shape of the insert is designed to be U-shaped, fits the foot; The soft material is comfortable to wear and has elasticity; The bottom of the insole is a honeycomb design, which can disperse the pressure on the sole of the foot and can also produce a non-slip and stable effect Adjustable height: the height increase insole is composed of 3 layers of pads, which can be fixed or removed by the honeycomb buckle to adjust the height freely, minimum height is 0.8 inches/ 2 cm, and maximum height is 2 inches/ 5 cm Sweat-absorbent and breathable surface: unlike those inferior non-slip and hard uncomfortable height increase insole, our pads have a layer of velvet on the surface to reduce the discomfort of silicone and help the feet absorb sweat