Material: Silicone.Function: invisible heightening, soft and flexible; flexible, highly elastic soft insole.The shock absorption orifice design reduces the pressure on the feet.Height: 1.5cm, 2.5cm, 3.5cm.No displacement, more stable; bottom, non-slip texture, prevent sliding.Applicable crowd: men, women.The package includes: 1 pair of X insolesOnly sell main products, not other productsPackage include:1 pair insole"