... TPU Material SGS certificate Color:yellow,blue,orange Name: Pig ear tag(also for small pig) Size: length45×width40mmMaterial: plastic TPU ... use: put male into female,then the ear tag hooked in animal sheep's ear.we suplly highquality goods and best service ... needle of pliers,also put female under the clamp of plier,seeking for good place,when is ready,then put cattle ...