rubber cow mats 1.Quick shipment. 2.ROHS& REACH approved. 3.Most competitive price. 4.Professional rubber manufacturer Details about rubber cow mats: Materials Comply with ROHS, NBR, Silicone (VMQ), EPDM, Viton, etc.Characteristics Good physical and chemical properties.Hardness 20 to 90 shore A or as your request.Tolerance Strictly upon international standard, no flash.Color Black, transparent, ...