【Dog Training Collar】: The dog training collar can help you teach obedience and basic dog commands. Safe and effective, no side effects, no electric shock or harm to animals. This dog collar trainer is a safe and humane way to prevent dogs from barking. 【Safe and Effective】: This excellent dog training collar can not only provide more control and prevent chances of escape , but also works in a gentler and more humane way of correction than a choke collar to prevent choking and make dog training safer and more effective. 【Durable and Resistant Material】The chain is made of durable material. high quality,with maximum strength and durability.Strong and durable and reliable in anti-rust. 【Attention】Do not leave the necklace in water or rain for a long time, dry it with a cloth dry as soon as possible after getting wet.