4 PACK FLEA COLLAR FOR DOGS: The package contains 4 Pack dog flea collars that are individually packaged for easy use and storage. The 4 pack dog flea collars continuously release natural active ingredients at low concentrations to provide a total of 32 months of reliable protection against fleas, mites, ticks, mosquitoes and lice for dogs. Suitable to fit dogs of all sizes from 7 weeks and up..EFFECTIVE TICK COLLAR FOR DOGS: Our flea and tick prevention for dogs collars are expertly designed to prevent common parasites on dogs. Fast and effective work within 24 hours, the dog flea collar help prevent flea & tick in advance and reduce existing infestations, protecting your pet from unnecessary pain while allowing you and your dog to enjoy worry-free bonding moments..NATURAL AND SAFE FORMULA: The dog flea and tick collar is made of pet and human safe, non-greasy and environmentally friendly formula, contains natural essential oils, such as eucalyptus oil, lavender oil, lemongrass oil, peppermint oil. So it won't irritate or cause allergies to your dog normally. The dog tick prevention collar will have a slight plant scent to aid in dog flea and tick prevention..EASY TO USE: The flea and tick collar for dogs is adjustable up to 25.5 inches and suitable for all breeds and sizes of dogs from small, medium or large. The adjustable length design is easy to cut to your desired size and is lightweight for comfortable and lightweight wear! The dog tick collar can be worn at the same time as your dog's regular collar. Each package of dog flea collars is attached with a user manual for customers' convenience..WATER RESISTANT AND COMFORTABLE: The dog flea & tick control collars are made of soft, durable and water-resistant TPE material, which ensuring dog stays protected even in wet conditions. You can take your dog for a walk, swim or bath freely while wearing anti dog flea collars. The anti flea collars for dogs are designed with a smooth surface to ensure long-term wearing comfort.