【Popular Color Collocation】 There are two classic colors - blue+white which can be used interchangeably or a spare color, easy to carry and store. You can put it in your car, bag and purse for easy access when you need to exercise your pets 【Scientific Training Methods】The training clicker will sound clearly after pressing easily the button. “happy training method”, No need to hard train your pets, you can spend some time teaching your dog to learn a variety of tricks and skills 【Simple and Safe】Unlike the expensive electric shock dog products, our products do not contain electricity, do not give the dog and owner the electric shock. The shape of water droplets in the hands of the very comfortable, stable sound, easy to identify the button, stainless steel shrapnel 10,000 times the pressure is not deformed, durable, no rust< /p> 【Comfortable Design】ABS plastic + stainless steel ring material is non-rusting and durable, matte surface and non-slip handling are easy to hold. 6 X 4 X 2cm