Ondoing Pet Training Clicker Wrist Strap Dog Training Clicker Train Dog Cat Horse Pet (1 PC) Size: 4cm*6cm (Rope Length: 17.5cm). The price is for ONE clicker. Color will be shipped at random. Can be used to train pets basic obedience and correct bad behavior. Easy to use. Simply press the big button and command. Well-constructed and durable. Water drop shape fits your palm. Comes with retractable lanyard and spring clasp.