Protect your furbaby from pesky pests with the Wondercide Natural Flea, Tick & Mosquito Repellent Dog Collar with Natural Essential Oils. Natural essential oils repel bugs and add a layer of protection against fleas, ticks, and mosquitoes. This collar is perfect for puppies and dogs over four months of old, and it’s free of artificial colors, dyes, fragrances, and cloves. Its easy cut-to-fit size means you can use it on most pups, and it’s water-resistant, so your best friend can use it during bathtime and occasional swims. It even features steam distilled essential oil of peppermint, so it smells great.