(Allflex) Allflex feedlot tags were designed to meet the unique needs of feedyards. The economical one-piece tag hangs straight in the ear. Retention collar provides flexibility and motion. Allflex feedlot tags offer convenience and consistently high retention in feedyard conditions. Ink-jet numbered tags must be ordered in consecutive (sequential) numbers, 50 per bag. Specify the number series that you wish to order when finalizing your order in the "special instructions" field. Requires Allflex Feedlot Tag Applicator. 4 1/4" x 3".