QUALITY PLASTIC: The yellow ear tag is made of thermoplastic polyurethane(TPU), which is flexible and can stand up to a lot of wear and tear. It is resistant to heat and freezing, whether it is hot, raining or cold weather it works well.IDENTIFICATION NUMBER: The plastic livestock ear tags are printed with numbers from 001-100 for easy identification of the herd. They are lasering printed with default unique serial numbers or custom numbers that will not be misplaced. These markings are non-fading and long lasting.EAR TAG PUNCHER: In addition to 100 numbered ear tags, the package includes a ear tag pliers. The pliers applicator opens and closes freely with some lubricant. Just grip the handle and apply pressure, the pliers can automatically pop-open. If you want to close the pliers, hold the handle to apply pressure and then press the black switch on the side.EASY TO USE: First insert the arrowed section into the pin of the pliers, and then tuck the target section into the positioning groove. The target may pop-up and you need to fix it by hand. With ear tag pliers, you can quickly complete the installation work and reduce the animal's pain.Colour: red + yellowMaterial: metal + plasticPackage Contents:1 * Ear tag pliers100 * Ear tag (about 4x5cm)Only the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.