Bravecto Blue Chewable Tablets for 20-40 kg Large Dogs keep your dog protected. One simple, tasty chew just four times per year protect against fleas and deadly paralysis ticks through every season. A single Bravecto chew also provides 8 weeks protection against brown dog ticks and effectively treats infections caused by mites. Works rapidly from the time of consumption to effectively control fleas within 8 hours and paralysis ticks within 24 hours, so your dog can be free to explore and enjoy life. Makes parasite protection easy, delicious and simple.