FUNCTION - The non-toxic preliminary protection against infestation by ticks, fleas, mites and mosquitoes for dogs and cats. Deters parasites without killing them with the scent of cistus and lavender HAZARD FREE - The band is chemical free and essential safe for your pet. No more fear of questionable biocides, now protect against ticks and fleas naturally LONG-LASTING AND WATER-RESISTANT - The adjustable collar for continuous use offers up to eight months of lasting protection. It is 100% waterproof and therefore particularly resistant PRACTICAL - No cumbersome handling of tick cards, tick tweezers, tick twisters, tick rollers, tick tweezers or flea and tick spray