Made in the USA, this collar features a non harsh formula to help protect your furbaby. Essential oils help repel fleas, ticks, and mosquitoes to help prevent infestations. Powered by plants, the collar is safe for dogs and puppies over 4 months of age. The easy cut to size collar can be used on dogs with necks up to 23 inches, plus it’s safe around kids when used as directed. Steam distilled essential oil of peppermint smells great, and the collar is water resistant.