NATURAL, SAFE, EFFECTIVE:: This calming collar mimics maternal pheromones, giving dogs and cats peace of mind. Pets remember and respond to pheromones throughout their lives. This mimics the natural way pets deal with anxiety and stress. All with lavender and the soothing scent of chamomile essential oils Lavender and chamomile essential oils help effectively relieve tension and anxiety. Waterproof: : This calming collar for dogs and cats is waterproof. So your beloved furry friend is not afraid to swim, bathe or play in the rain in unfamiliar places. You don't have to worry about being in the water while your dog or cat is playing. Your pet can feel comfortable and calm in any situation. And can be used safely for a long time. No harm and no addiction. ADJUSTABLE SIZE AND EASY TO USE:: The 24"/15" length is suitable for most dogs and cats, and the length is adjustable. The material of this anti-anxiety collar is sturdy and reliable, but it can also be cut, so you can also cut the extra length if needed. The operation is simple and easy to use and only takes three steps. It is recommended that you measure your pet's neck size before purchasing. Ideal for reducing fear or stress in pets:: Ideal for relieving anxiety or fear caused by travel, outdoor activities, solo activities, veterinary visits, thunderstorms and other noisy or unfamiliar environments. It can also help pets feel comfortable by relieving symptoms such as lip licking, barking, panting, drooling, whining, and damaged household items. List of packing: 1 * necklace We only sell necklaces, not other items in the picture. Due to the differences between different monitors, the pictures may not reflect the color actual item. Due to manual measurement, please allow slight errors in size.