Easy to put on and take off: This dog harness is a step-in harness. The harness for dogs and cats can be put on / taken off quickly and easily. Thanks to the adjustable Velcro fastener, this harness set with leash is escape-proof. No-pressure harness: This dog harness is suitable for daily walks, but also for sporting activities and various training sessions. This no-pressure neck harness was designed to reduce the pulling pressure on your dog's cervical spine, windpipe and larynx. The pulling pressure is distributed over the chest and back area. It is very comfortable for your dog. This harness is also suitable for cycling and buckling up in the car. Reflective design: With the eye-catching reflective strip, your dog is easy to see in the twilight and darkness. Material: The harness is made of soft and breathable mesh polyester fibers. It's washable and quick drying. OPTIMAL SIZE: It fits perfectly for small and medium-sized dogs. Chest circumference x neck circumference: S: 15 inch x 17 inch M: 17 inch x 19 inch L: 19 inch x 21 inch XL: 21 inch x 23 inch