- Neck: 17-26.3 inches, 1 inch wide, please measure your dog’s exact neck size and add 1-2 inches to get the correct size. 2. Made with soft, smooth, lightweight and strong nylon webbing with comfortable neoprene padding your dog will love wearing 3. High visibility reflective light on the nylon straps, if they catch light from car headlights, street lamps or flashlights, they will show up in the dark, useful and safer when walking with your dog at night 4. The quick-release ABS plastic buckle is durable and allows you to put on and take off your dog’s collar more easily. the one-piece chrome D-ring is rustproof and stronger than the welded D-ring, allowing you to wear the collar with you every day, dogs feel secure when walking with them