Synergized pyrethroid tags containing Zetacypermethrin and piperonyl butoxide. These fly tags for cattle are approved for use on beef and dairy cattle, including calves and lactating dairy cows. Use 2 fly tags to control horn flies, face flies, lice, Gulf Coast ticks and spinose ear ticks for 4-5 months and to aid in the control of stable flies, black flies, house flies and small horse flies. Use 1 fly tag to control horn flies for about 3-4 months and as an aid in the control of face flies. Use the Y-Tex UltraTagger to apply these fly tags for cattle. 9.5 gm.