It is a special patented compound consisting of polyvinil chloride (PVC) and chemicals melt blended by extrusion and injected. This PVC compound is mainly employed to produce leisure time and above all children boots, therefore its ingredients are completely and naturally phthalates free in step with our health and safety policy. All components are in accordance with Directive 91/338/EEC regarding the prohibition of using harmful substances such as Nickel, Lead and Cadmium.