... Safety Certification Anti-slip,environmental,anti-abrasion natural rubber cow pad GM0421 is made of natural rubber and recycle rubbercharacteristicsanti-slipanti ... lying down or standing up.Technical data natural rubber cow pad GM0421 Width4'Length6'Thickness0.7"Specific Gravity1.2-1.6g ... in Europe,America,Australia,Southeast Asia,ect. natural rubber cow pad