Guaranteed material: Chrome alloy straps, excellent resistance, very resistant to dog teeth. Size: S-3.0mm*50cm, weight 133g (suitable for medium-sized dogs) Convenient Design: Designed for two dogs on one leash, easy to use. Convenient connection, it fits most collars and harnesses, convenient connection with sturdy double hook. Multi-layer plating: This belt is durable and highly bite resistant due to its chain construction. Or in the rain, wipe with a dry cloth as soon as possible after getting wet. Package Contents: 1 double chain, no other decorations.