High Quality Material 304 Stainless Steel Metal Chain, Buckle Dog Collar, Hand Polished, 18K Gold Plated. Chew Proof, Durable, Rust & Tarnish Resistant Gold Chain Dog Collar that will last for years! It is so strong that it can't be unbent even with 650 pounds of force! How to Choose Collar Size A comfortable collar size is equal to your dog's neck size plus room for 2 fingers (1.5-2 inches). Please measure your dog's neck length before ordering. Measure around the widest point of your dog's neck and add 1.5 to 2 inches to the original collar length for adjustments. Collar Color Size Width 14mm (0.55"), Length 16", Gold color, fits M size dogs with neck sizes 14 to 14.5". Metal Button The buckle is easy to release with one hand. Both the chain and the metal buckle are made of stainless steel and are waterproof, chew-proof and tensile, with a strength of up to 650 pounds, ensuring that they will not break. The size is suitable for medium sized dogs such as French Bulldog, English