Product Description Material: Iron Color: Silver Size: 4.0mm*60cm Package Content: 1 * Chain Necklace For Pet Training Dog 1. 【Correct Training】The small dog prong collar is safe, convenient and effective for training your dogs, which can help you correct the dog to come out and burst, tear or bite. 2 . 【High Strength Material】The small prong collar is made of trainer recommended high strength chrome plated stainless steel. The prong collars for small dogs have a silver coating for the links which can provide a stable using period for your dogs. 3. 【Adjustable Size】 The perimeter of the small dog training collar can be adjusted to 15 inches, these small dog collars are suitable for small dogs and puppies. You can add or remove ties on the small dog collar to fit your dog’s neck as needed. 4. 【Easy to Use】The dog training collar has a quick release stainless steel snap button, you can quickly untangle and easy to put on and take off in a second. The small dog choker collar has 2 strong