The HARLEQUIN is made of 100% Natural Rubber from rubber trees in Malaysia. Natural rubber is biodegradable and recyclable making it environment friendly with a low carbon footprint. It is nontoxic and odour free. As a plant-based product it is a renewable resource having been harvested for more than 3500 years. COMPLIANT with industry standards including BS8445 for exceptional slip resistant properties and used in hospitals and hotels. Prop 65 compliant with California Toxic Enforcement Act.