This collar keeps his promises, we must know that it is really effective over 6 months .. How much return you pipettes for the same period? If the effectiveness of pipettes decline rapidly if the dog bathes this is not the case for the rest necklace really effective despite repeated swims! So 5 stars without hesitation ...
However Avoid use if you also have cats because for them it can be toxic and dangerous and it is not necessary that the door to be reached !!!
If you have dogs and cats Seresto the collar is indicated
