ThunderEase Calming Collar Clip, powered by ADAPTIL is the perfect solution for all day, continuous calm for your pup! Our calming collar clip is a vet recommended, drug-free calming solution, which mimics a mother's natural nursing pheromones, helping your dog feel safe, and stress free. Your dog's natural body heat will activate and release the calming pheromones, which will help them to feel calm all day long. Our product is over 90% effective in calming dogs who experience stress from an array of causes, including fireworks, thunderstorms, travel, vet visits, separation anxiety and more. You can easily attach our calming clip to any standard dog collar, so you can calm you dog while maintaining your style! Each clip lasts up to 4 weeks. Get your calm today!