Cocogo Houndstooth Dog Vest Harness Red & White Houndstooth Design Chest harness with adjustable buckle at chest Safety buckle for added security Size-S fits dogs that ANTERIOR BELLY LENGTH * WIDTH: 6.7*1.6(inch); BACK LENGTH: 4.3 (inch); NECK: 9.6 (inch) CHEST : 12.5-17(inch) PLEASE MEASURE YOUR DOG BEFORE YOU BUY. Dog garments come in 5 different sizes