Sale! Dewel Anti Flea Protective Dog Collar $21.66 $12.34 Non-allergic Eco-friendly Highest efficiency Water proof One size fits all This collar removes insects such as fleas and mosquitoes by immersing them for several months with plant extract. It is safe for pets and humans. It is made in natural herbal ingredients and it will not affect your pet’s health. Whether it is a pet dog or a cat, this protective collar fits all. Highly recommended to keep your lovely pets free from mosquitoes, fleas and many other insects. It’s safe for pets. Moreover, this item is waterproof and lightweight thus making it the best collar for use.