Iconic Pet Reflective Adjustable Nylon Harness While a collar only encircles the neck, harnesses have a loop that surrounds the torso as well, with connecting straps The Reflective Adjustable Harnessis designed for the safety of the dog during night times and the harness can be adjusted to the desired size Whether in water or out for late night walk, dogs will be seen with these reflective harness Material: Nylon & Iron & POM Adjusts from 26" to 33.5"