Features: 1.Premium Material: Cattle ear tags are made from TPU material, which is non toxic, odourless, non irritating and non polluting, and is not harmful to the health of cattle. 2.Laser Printing: Cattle numbered ear tags are laser printed and are colourfast, with clear lettering and numbers for easy animal management. 3.Reusable and Durable: Cattle numbered ear tags can withstand ?40C without deformation and are reusable. 4.Wide Application: Ear tags are widely used in animal husbandry, laboratories, pet hospitals, etc. They can be pinned to the ears of animals for animal management. 5.Sufficient Quantity: Cattle ear tags kit includeds 100 ear tags and studs, enough quantity to meet your actual needs. Specification: Item Type: Cattle Ear Tags_x000D_ Material: TPU_x000D_ Ear Tags Size: Approx. 100x75mm / 3.94x2.95in _x000D_ Ear Tags Stud Size:_x000D_ Diameter: Approx. 30 mm/1.18in_x000D_ Use: Cattle Ear Tags PackageList: 100 x Ear Tags 100 x Ear Tags Studs Note Please allow for some errors in manual measurements.