Kid-FriendlyEasy to Peel and Stick on Clothes Safe for Kids25 Patches to Bring on Zen Like MomentsMade with 100% Natural Essential OilsPeel & Stick PatchHelps Your Little Ones Bring On Zen Like Moments 24 Colorful Patches Per Pack Ziplock Resealable Bag Sealed Patches Last Up to 6 Months Goes On Clothes, Not On SkinVegan How it works: Zen Patches use a specially crafted formulation of essential oils to provide a calming response. Zen Patch is designed to help with big emotions, tantrums, stress and anger by calming the nervous system and stimulating a sense of overall relaxation. It works by triggering receptors in the nose which then sends messages through the nervous systems to the limbic system which controls behavior and emotions. The desired effects make take up to 30 minutes and the effect will vary between individuals.