(Allflex) Allflex Tamperproof cattle ear tags offer advanced security for your livestock identification and management program. When Allflex Tamperproof tags are applied, the self-piercing tip of the male button is locked tightly into the panel tag. Tags swivel to prevent snagging, but cannot be removed without being destroyed. Ideal for official certification or registration programs, or to provide added security and peace of mind. Allflex Tamperproof tags are made from polyurethane, making them completely waterproof, tough, durable and snag proof. Numbered ear tags are printed in high contrast Allflex Laser-Ink Marking. Underneath a dark ink overlay is the matching laser number etched permanently into the surface of the tag. Laser engraved printing is guaranteed not to fade. Numbered tags are available in packages of 25 consecutive (sequential) numbers. Specify the number series that you wish to order when finalizing your order in the "special instructions" field. Use Allflex Universal Total Tagger or Global Retract-O-Matic to apply tags. 4" high x 3" wide.