Brand New in Box For Dogs up to 35-40 lbs I moved and could not bring my dog :’( Features & details EFFECTIVE TRAINING COLLAR - This no pull dog collar can effectively train your dog's behavior without hurting your dog's sensitive neck area. All you need is to pull the steady collar and the dog will immediately stop its naughty behavior. It also can ensure that your pet will pull significantly less while walking. SAFE AND HUMANE - This dog collar is a safe and humane way to stop your dog barking. It is smooth and rounded, combines with the rubber caps to bring double protection. No side effects, only train them effectively with a gentle sensation, which is just like a mother dog corrects her puppies using her teeth, making your dog instantly well behaved. STRONG AND DURABLE - Made of high-quality stainless steel, built to last, this dog training collar has a quick-release buckle that you can quickly lock/unlock. When you need to add/remove some links, please use pliers to adjust the collar to achieve a comfortable and snug fit. The product adds a nylon protector cover which can avoid judgement from others. We believe this great dog training tool will make your life much easier. EASY TO USE- Special chrome plated clasp for quick release and fastening to put on and take off in a second. The metal strong D-ring rotates 360 degrees to prevent the leash from twisting while the pet is running, provides a more secure connection with leash.