DIMENSION: M-3.5mm×55cm, weight 145g; Nice silver color. It is suitable for medium and large dogs, and very runaway dogs. MATERIALS: Made of good quality steel, well chrome plated for sturdiness. The surface of the chain is perfectly smoothed to avoid hurting the animal. RESISTANT: The collar is durable thanks to its chain structure, very resistant to bites. The chrome layer makes the collar waterproof and rust resistant. ✪Attention✪, do not leave the necklace in water or rain for a long time, dry it with a dry cloth as soon as possible after getting wet please. DRESSAGE: Good design for training and other daily activities. The choke collar idea is for training a runaway dog by ensuring your control when the dog pulls sharply. INSTRUCTIONS: The necklace is made up of a chain and 2 identical O-shaped rings at the ends of the chain, its use is a little different from conventional necklaces. Attach one of the rings to a leash, with the remaining ring, insert the chain in this ring,
