LukPaw Reflective Dog Collar Padded Dog Collar Adjustable Dog Collar for Large Dog Medium Dog Nylon Collar Running Training(Black) PLEASE MEASURE YOUR DOG FIRST  This Reflective dog collar is suitable for medium and large dogs. This collar with heavy-duty D ring is adjustable and the size is 1" W x 16"-25" L (2.5 x 41-65 CM). If you are not sure whether the size fits your dog or not, please do not hesitate to contact us. DOUBLE LAYERS COMFORTS YOUR DOG  Outer nylon fabric added with soft cushion is wearable as well as comfortable. Under this circumstance, your lovely dog will enjoy walking with you. DOUBLE SAFETY WITH A SAFETY LOCK  There is a red button on the buckle, a safety lock, which ensures that the buckle wont unclasp accidentally. When you buckle the collar, push the red button and then the buckle is locked. You also dont need to worry about releasing your dog with mistake. REFLECTIVE STITCHING  During the day, the reflective stitching makes this collar more beautiful. At night, the reflective stitching ensures the safety of your pet when walking along the street. Besides, you can also know the position of your lovely dog easily. SAVE YOUR MONEY  If you buy this collar together with leash (ASIN: B077MD55DT) or harness (ASIN: B077NV8RZX) offered by LukPaw, you will enjoy a discount. Our company guarantees you a full two-year warranty for the product purchased from us. Any dissatisfaction, you can get your money back! <span class="a-text-bold">Size: </span>16&#034;-25&#034; (41-65 CM) <span class="a-text-bold">Width:</span> 1&#034; (2.5 CM) <span class="a-text-bold">Thickness:</span> Double-layer <span class="a-text-bold">Package Content: </span>1 x Adjustable Dog Collar  and 1 x ID Tag You can write your phone number, address and dog&#039;s name on it. This id tag is <span class="a-text-bold">waterproof.</span> <span class="a-text-bold">A safety lock </span>ensures that the buckle wont unclasp accidentally. <span class="a-text-bold">High-quality D ring</span> meets your needs. Maximum Length: 25&#034; Minimum Length: 16&#034; Dog collar size for <span class="a-text-bold">medium and large </span>dogs Two r<span class="a-text-bold">eflective stitchings </span>  keeps your beloved dog s<span class="a-text-bold">afe </span>at night. <span class="a-text-bold">Three colors </span>you can choose from, including black, blue and red. <span class="a-text-bold">Double-layer Padded </span>collar makes it <span class="a-text-bold">comfortable</span> for your dog to walk with you. We are single-mindedly devoted to offer high-quality products and services. We also aim to let your pets feel happy and make you satisfied.