Description: Our high-quality dog collar have SMOOTH, rounded edges for superior comfort, SMOOTH operation, and safety—no compatible with Sharp points or rough edges to chafe skin or snag Fur. Features: Made of premium quality 304 stainless steel, high quality material against rust tarnish or break. Fully-welded O-ring for easy leash attaching. DURABLE AND COMFORTABLE: Slip dog collar with high polished craftsmanship makes the surface SMOOTH and comfortable. Heavy duty and chew proof chain links, works well for strong breeds. DOG TRAINING COLLAR: The metal choke collar tightens when your dog pulls and loosens when the behavior is corrected, perfect to correct bad dog behavior, fixes leash pulling, and helps teach responsive walking habits. Specifications: Material: Stainless Steel Finish: Chrome Color: Silver Multiple Sizes: 1.6mm diameter link x 11.8" inch length. 2.0mm diameter link x 17.7" inch length. 3.0mm diameter link x 21.6" inch length. 4.0mm diameter link x 25.5" inch length. Warm tips: 1> Please measure pet's neck and add at least 2-4 Inch for adjustment, then refer to size Map to choose the suitable size for your dog. 2> It's supposed to put the chain through one of the rings, but not put one of the ring through the other. Please refer to product image on how to use this chain collar. Package list: 1 x puppy collar Chrome-plated for durability and shine. Will not rust, tarnish or break. Ruggedly constructed of electronically welded steel for strength.