Guaranteed material: chrome alloy straps, excellent hardness, very resistant to dog teeth. Variable size: M-3.5mm x 60cm (suitable for medium sized dogs); please consider your pet’s height and weight before purchasing. Convenient Design: Designed to take two dogs for a walk together, easy to use. Convenient connection, it fits most collars and harnesses, convenient connection with sturdy double hook. MULTI-LAYER PLATING: This belt has a chain construction for durability and is highly bite resistant. The chrome layer makes the belt fade, water and rust resistant. Note, do not leave the belt in water or rain for a long time, please dry it with a dry cloth as soon as possible after it gets wet. Package Content: 1 double chain, no other decorations.