2 pack flea and tick collar for dogs, flea and tick collar for large dogs with 8 months allergy prevention, adjustable & waterproof tick and flea control for dogs pets vv <b>vet-recommended:</b><br>2020 upgrade formula: all natural ingredients, could work effectively for 8 months, through contact exclusion and innovative release technology to keep harassers such as fleas and ticks away from your dog.<br>waterproof design: the smell emanates from the inside of the flea and tick collar for dogs, so the dog can bathe or swim without affecting the effect.<br>year-round care: despite common misconceptions, fleas and ticks can impact pets even in colder months. use the flea and tick collar for dogs year-round to get effective protection against fleas and ticks.<br><br><b>how to use:</b><br>1. wrap the flea collar for dogs large around the pet's neck with the end of the collar secured by a clasp.<br>2. the tick and flea control for dogs collar can be relaxed, according to the pet's neck circumference, leave some space for the pet to feel comfortable, more conducive to the growth of the dog.<br>3. after wearing the dog flea and tick collar, cut off the remaining length to avoid accidentally injuring the dog or getting bitten by the pet.<br>storage and disposal: do not pollute water, food or feed by storage and disposal. this flea collar for dogs large should be stored in a cool, dry and out of reach of children.<br><br>