EFFECTS AND ADVANTAGESAdaptable to the contour of the foot. It contains therein a pad of medical Extra soft silicone. It helps reduce calluses while relaxing the metatarsal area.COMPOSITION60% Lycra, 40% silicone. MAINTENANCENever apply the product on an open wound and watch the foot during use. Wash with mild soap and water. Allow to air dry. Do not bring heat sources.