male dimension: 46mm*30mm*4mm Female dimension: 84mm*73mm Common Usage: Pigs, cows, breeder herds, etc. Easy to read and laser number engraving;Type: ETAG-PT04male dimension: 46mm×30mm×4mm Female dimension: 84mmx73mmCommon Usage: Pigs, cows, breeder herds, etc.Standard usage: Attached to ear with ear tag pin visual tag(ETAG-PT04)