1. Elastic soft material The heel lift pad is mainly made of soft far GLE material, which is soft to protect the heel, has high adsorption force, and does not move inside the shoe; non-slip Tips: It is recommended to stick double-sided tape on the bottom of the insole to make the shoes fit closely with the upper and prevent the insole from slipping during walking. 2. Reduce heel discomfort The shape of the insert is designed to be U-shaped to fit the foot; comfortable to wear and elastic; the bottom of the insole is honeycomb-shaped, which can disperse the pressure on the sole of the foot and can also produce a non-slip and stable effect. 3. Multiple Heights Our booster insoles are available in three heights, the minimum height is 1.5cm/0.59in, and the maximum height is 3.5cm/1.38in, you can determine the height you need according to our size chart. 4. Sweat-absorbing and breathable surface our footpads have a layer of JP fleece on the surface to reduce the discomfort of silicone and help your feet absorb sweat. 5. Application heel pads are durable and reusable, suitable for both men and women; suitable for all types of shoes, such as running shoes, dress shoes, boots, sports shoes, work shoes, leather shoes, etc. It will be a good product to help you secretly increase your height. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.