The Menforsan collar guarantees active protection for 90 days against fleas, mosquitoes, ticks, lice and mites. Thanks to its safe formula, it is also suitable for kittens from the first month of life, pregnant cats and cats with allergies to common insecticides. The advantage is the universal size and ergonomically shaped safety buckle. No side effects or contraindications have been reported. The collar is waterproof.