Control of infestations with ticks (Ixodes ricinus; Rhipicephalus sanguineus) for 5 to 6 months. Control of blood sucking by phlebotomine sand flies (Phlebotomus perniciosus) for a period of 5 to 6 months. Anti-feeding effect on adult mosquitoes of the species Culex pipiens for 6 months. Directions: The 48 cm collar is to be used on small & medium-sized dogs. The 65 cm collar is to be used on large dogs. For fastening around the neck. One collar per dog. For external use only. Remove the collar from the sealed protective sachet. Adjust the collar around the animals neck without tightening it too tight. Two fingers side-by side should fit between the band & the dogs neck. Slide the end through the buckle & cut off any excess length extending beyond 5 cm.