It has a repellent (anti-feeding) effect against sand flies (Phlebotomus perniciosus) and culex mosquitoes (Culex pipiens) for 5 to 6 months, making it suitable as part of a program for the prevention of leishmaniasis and Culex pipiens mosquitoes. It is also indicated for the prevention of tick and flea infestations for 6 to 4 months. It fits snugly around necks and features an anti-strangulation safety closure. Characteristics Repellent (anti-feeding) effect for 5 months for sand flies (Phlebotomus perniciosus). Repellent effect for 6 months against culicid mosquitoes (Culex pipiens). Prevention of: Tick ​​infestations for 6 months. Flea infestations for 4 months. The repellent (anti-feeding) effect against Phlebotomus spp has been demonstrated, therefore, it can be considered as part of a program for the prevention of leishmaniasis and culicid mosquitoes of the Culex pipiens complex. Instructions for use Read the package insert before use. Keep in the original packaging until ready to use to prevent children from accessing the collar. Dogs wearing this collar should not be allowed to sleep in the same bed as their owners, especially children. Composition and Ingredients Deltamethrin: 1.056 g, Titanium dioxide (E171): 0.396 g