Harness can be used in three different ways Front Martingale Loop with leash attachment redirects forward motion of dog and helps correct pulling Back leash attachment for standard harness use Seat belt handle and included car control strap provide safe options for restraint in the car Reflective nylon Neoprene lined straps Five strap adjusters help create the perfect fit Teal Colour. Harness Size Weight Range-10-20 lbs Girth Measurement 13-19 inches Neck Girth Measurement 9-14 inches Sells for $50+at Petsmart