This insole can reduce the damage to the foot due to vibration.<br><br>Features:<br>Improve step balance and foot strength.<br>Anti-skidding, shock-absorbing and depressurizing.<br>Reduce the damage to the foot due to vibration.<br>And also raise your height without notice by others.<br>Applicable for all kinds of sport shoes, hiking shoes and working shoes.<br><br>Specifications:<br>Material: Silica gel<br>Size: Approx. 20.5 * 6.5 * 0.8cm / 8.1 * 2.52 * 0.3in (L * W * H)<br>Weight: 93g / 3.28oz<br><br>Package list:<br>1 * Pair Insole