Product description: Quantity: 3 pieces Name: portable dog training device. Size: 6*4*1.7 cm Weight: 21g Material: ABS + stainless steel shards, EVA environmentally friendly material strap. Advantages of Collocation 3 different colors on the package (Black+Blue+White) with a storage bag free (10*16cm) for easy to carry and store. You can place it in a car, bag or pocket to get it easily when you need to train your pets Scientific Training Methods The training clicker will sound clearly after pressing easily on the button. Large button for easy clicking and powerful sound. This training method is becoming more and more popular, and many people call it "happy training method". No need to train your pets hard, you can spend some time teaching your dog to learn a variety of tricks and skills Simple and Safe Unlike expensive electric shock dog products , our products do not contain electricity, do not give the dog and the owner electric shock. The shape of water droplets in the hands of the very comfortable, stable sound, easy to identify the button, stainless steel shrapnel of 10,000 times pressure is not deformed, durable, no rust< /p> Comfortable DesignABS plastic + stainless steel ring material does not rust and is durable, matte surface and non-slip handling is easy to hold. 6*4*2cm size, water droplet shape, suitable for all palm sizes and easy to control. The elastic wrist strap, so you will not fall off in training, can carry it Wide Use 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