... certificate Color:yellow,blue,orange Name: Pig ear tag(also for small pig) Size: length45×width40mmMaterial: plastic TPU,passed SGS certificate.Weight: 5gram ... ,also put female under the clamp of plier,seeking for good place,when is ready,then put cattle or ... field of information management for animals and livestocks.Product show: animal pig ear tag SGS certificate,laser ear tag,ear tag for pig