BLUEWORTH® pig ear tag provides pig farms with complete solutions to help them manage pigs easily. We developed a comprehensive identification product line from piglets, breeding sows to slaughter pigs, etc. Meantime, BLUEWORTH® always stick to our principles of manufacturing high quality identification products. All of our ear tags are made from polyurethane which comes from German company BASF, making them completely waterproof, tough, durable and snag proof.