This Dog Anxiety Vest design applies a gentle, steady pressure that has a dramatic calming effect. Using pressure to relieve anxiety in humans and animals has been common practice for years, such as swaddling babies and using light pressure and weighted vests to help people with autism. What are the Benefits? OUR GUARANTEE We are confident that we offer some of the best products on the market. Therefore, we provide a 30-day guarantee. We will make every effort to ensure that you are completely satisfied with your purchase. Online shopping can seem daunting. We want you to know that there is absolutely zero risk of purchasing something. We won't make it difficult if you don't love it. We offer email and ticket support 24 hours a day, 7 days a week. If you require assistance, please contact us. Please contact customer service if you have any problems with your purchase.