Be Good Summer Vest Lightweight Breathable Clothing Beautiful Sleeveless Jersey End with Reason "adidog" Dog Clothes For Small Dog Puppy 3 Sizes S/M/L Grey/Pink Size S: Back Length:9.4"; Chest:11.8"; Neck:6.6" Size M: Back Length:11"; Chest:13.7"; Neck:7.8" Size L: Back Length:12.6"; Chest:15.7"; Neck:9"(Revised Sept.,2017) Package content: 1 dog vest(size it is Asian Size, will smaller than US size, kindly please refer the size information for correct size, thanks very much!) Soft and comfortable, suitable for small dogs, puppies, like Chihuahua, Yorkshire, Schnaozer,etc.