Y-Tex Orange GardStar Plus Insecticide Ear Tags Combo - Blank is a 2 piece ear tag system that is designed to protect calves, beef and dairy cattle against insect pests. It contains Pyrethroid which effectively controls susceptible face flies, horn flies, spinose ear ticks, Gulf Coast ticks, as well as aid in controlling lice, house flies, stable flies, and more. It is also safe to use on lactating cows. It features a ribbed design for season long durability, along with the longest button shaft for better air circulation around ear. It also utilizes the Snap-Lok collar technology to ensure retention. These tags can be applied using the Ultra Tagger Plus Applicator. Contains 25 blank orange tags per bag.