THICK AND DURABLE PU LEATHER - The material of the collar is PU leather.It is thick and strong, but soft, not stiff, skin-friendly£¬the D-ring made of high quality alloy, it can be attached with dog leashes when walking, training and travelingduring the exterior door.SYMBOL OF INDIVIDUALITY AND BALL POINT - It's an age of personalization, our dog friends too, they need fashion, you will get a lot of compliments because of the good taste of this collar.HUMANIZED DESIGN OF 4 ADAPTABLE COLLAR SIZES - Small 15-18", Medium 17-20", Large 19-22" and X-Large 21-24", together with the dogs growth and happy every day.ATTENTION TO NECK SIZE MEASUREMENT - It is really very important for waist measurement.Many customers placed orders by wrong size and fall into troublesome return and replacement.To save your time and money, please choose a correct size option before ordering.