1.animal ear tag for cattle 2.raw material: high quality polyurethane 3.for animal use Dear My Friend,Suzana speaking here , we are specialized in veterinary syringe, animal ear tags, needles and another veterinary instruments.This product: animal ear tag for cattle, the specs are:A: 64( width ), 74( height )mmB: 59( width ), 77 ( height )mmC: 60( width ), 75 ( height)mmD: 42(width ), 50(height) ...