Feature: 1. FUNCTION WELL: Ear tag is used to track your livestock and prevent them from being stolen. Very suitable for cows and other animals. 2. EASY TO IDENTIFY: Bright colors are easy to identify, and they are not easy to fade and deform even in harsh environments. 3. HIGH QUALITY: The ear tag is made of high quality plastic material, which has good toughness and tensile resistance. 4. WIDE RANGE OF APPLICATIONS: suitable for marking, breeding and vaccination of animals, it is an indispensable tool for farms. 5. APPROPRIATE SIZE: It's important to have the right size ear tag and an appropriate style for your environment and the type of animal. Specification: Item Type: Ear Tag Material: Plastic Color: Yellow Product Size: Approx. 10x7.5cm / 3.9x3.0in Weight: Approx. 1238g / 43.7oz Application: Suitable for breeding, livestock and poultry information management, etc. Package List: 100 x Ear Tag 100 x Ear Stud Note: 1. Please allow 1‑2in error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.