Mini-templates Party Feet Invisible Gel. New Technology Skids. Prevent and relieve pain caused by high heels. Relieve pain in the area planted and offer the utmost comfort. Made with a viscoelastic polymer gel: Property adherents by nature, so it does not move inside the shoe. Not deforms and maintains its level of cushioning, absorbing the impacts and pressures suffered by the foot. Washable and reusable. Ultrafine and unobtrusive.