CLiK is indicated for the protection of sheep, either off-shears or with any length wool, against fly strike caused by dicyclanil-susceptible strains of blowflies (Lucilia cuprina) for 18 to 24 weeks. CLiK is also indicated for the protection of mulesing and marking wounds on sheep against fly strike caused by dicyclanil-susceptible strains of blowflies during the wound healing process.