Puppia Authentic Neon Soft Harness C New Neon Improved Soft Harness Adjustable neck and chest with buckles; Puppia rubber label PUPPIA SMART TAG pendant(QR Code only) is included Neck Girth Size - S: 11.8"~13.4"; M: 12.6"~15.0"; L: 14.2"~16.1" Breast Girth Size - S: 13.4"~15.0"; M: 14.2"~16.5"; L: 16.5"~18.5"