Safety Buckle - The side release buckle is made of high quality eco-friendly plastic with a safety lock to prevent accidental opening of the collar Padded Neoprene - This unique pad provides the dog with a maximum comfort during activities. No sharp edges or unfolded seam joints. Heavy-duty stitching adds durability for long-term use 360° Reflective Tape - Reflective stitching improves visibility over long distances at night HIGH QUALITY, DURABILITY AND LIGHTWEIGHT - Made of 100% real nylon, well sewn, lightweight and durable for all conditions Sturdy and easy to use with high density webbing, quick release buckles, padded hardware and rubber rings D, this collar will keep your pet cute and stylish. Size M Due to manual measurement, the product you receive may have a slight error in size Due to different monitors, the product you receive may be slightly different from the picture Actual delivery quantity 1 piece Black M