dogIDS Embroidered Nylon Dog Harness with Plastic Buckle SIZE LARGE: This size fits dogs that are 1 in x 22-33 in Girth. Recommended for Medium & Large Breeds. Read the important sizing information below for instructions on how to measure your dog. PERSONALIZED EMBROIDERY: With plenty of room to include your pooch&#8217;s name and your phone number, you can rest easy knowing he&#8217;ll be able to get home safely in case he ever goes missing. WIDE SELECTION: This harness is a perfect for any size of dog and comes in dozens of color combinations! Please refer to sizing information below to determine the best size for your pooch. DURABLE AND SAFE: All of the hardware is made of high quality anti-corrosive stainless steel and is incredibly durable. This harness also moves the point of pressure from your dog&#8217;s neck to their chest which takes away straining of the neck while also allowing more comfort. IMPORTANT SIZING INFORMATION: To measure your dog&#8217;s girth to determine harness size, use a sewing tape or string to measure behind your dog&#8217;s front legs to get their chest circumference. Measure around your dog&#8217;s rib cage about an inch or two behind the front legs.