Features: Shack-absorbed / Pressure-reduced / Supporting-comfortable. 1. Shack-absorbed: According to the test of Gel the face of Gel will disperse the pressure to absorb shocks. 2. Pressure-reduced: The heels will sustain two thirds of body weight the Gel shoe insole can reduces the spinal pressure and prevent waists while walking. 3. Stop slipping: The Gel is liquid that will be changed follow external force and the adhesion is better so it will prevent slipping. Suitable for Sports Shoes / Walking Shoes /Leather Shoes.