High Quality Materials: 201 stainless steel and ABS dog trainer, environmentally friendly and durable, impact and weather resistant. Crisp sound: The clicker sound is crisp and not hard. It can arouse your dog's interest and attention without scaring him. Comfortable Elastic Bracelet: The bracelet is designed so that the clicker is easy to wear and prevents it from being lost. The elastic strap allows free length adjustment for more comfort. Easy to use: just press and hold, just press the trainer and your dog will receive instructions and will start learning in no time. Wide Usage: The clicker can not only train dogs, but also train cats, birds, chickens, sheep and even mice. Is your essential training tool for sensitive pets. You will have a happy and confident communication tool with your pet. Specifications: Material: ABS plastic Color: four colors Product Size: 6 * 4 * 2cm (one piece) Length of the Elastic Bracelet: 12 cm Quantity: 4 Pieces Package includes: 4pcs x Dog Training ClickersProducts from NIUNIU's store