Prevent dogs from getting lost. Give them a chance to go home once! The pulling pressure is evenly distributed throughout the body to prevent pulling and suffocation. The dog vest harness has an adjustable chest strap with snap buckle, move body parts freely, can be customized for your dogs growth, you don't need to change it all the time. 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.