* Made Of 100% Medical Silicone From German. * The Insole Provides Two Different Level Silicone, Blue Is Soft And Transparency Is Firm. Blue Dot Is Softer Can Provide More Cushion To Relieve The Pressure From Heel. * It Can Absorb The Vibration Shock And Relieve Pain From Heel, Knee, Back And Hip. * Suitable For The People Stands For All The Day. * The Design Can Suit For Most Type Of Shoes.