Dog Life Jacket Adjustable Ripstop Dog Life Vests for Water Safety pet Life Vest with Rescue Handle Safety Vest for Swimming Pool Beach BoatingSpecifications:Material: High quality Polyester Color choice: Black, blue, green, orange, pink, purple, redSize Chart：S-Chest Girth: 11-13''/28-33cm, Neck Girth: 10.2-12.2''/26-31cmM-Chest Girth: 14.2-17.3''/36-44cm, Neck Girth: 13-16.1''/33-41cmL-Chest Girth: 23.2-26.4''/59-67cm, Neck Girth: 19.3-22''/49-56cmXL- Chest Girth: 27.2-31.5''/69-80cm, Neck Girth: 23.2-26.4''/59-67cmFeatures-The chest girth should be the most important and decisive measurement to be considered-Built-in with extra padding, our life jacket provides enough buoyancy for your puppy-Comfortable grab handle sewed with durable stitching makes it easy to pull your dog in and out of water-Premium fastening system with quick-release buckle create a comfortable and custom fit so that dogs can swim with confidenceHow to measure:Step 1: Please use a flexible tape to measure the widest part(all the way around) of your dog's chest/rib cage.Step 2: Measure dog's neck girth around the widest of their neck.Step 3: Please kindly refer to the size chart below to choose the suitable size for your pets.