Please kindly noted that this item is sold by GGuo from Joybuy marketplace. Product Description: Item Type:Pet Clicker Color:Red,Green,Dark Blue,Pink,Orange,Black,Light Blue,Light Green,White Target Audience:Dogs Feature:Durable Length:7.5 cm/2.95" Width:3.5 cm/1.38" Thickness:2 cm/0.79" Size(ring):2.5 cm/0.98" Package Include: 1 x pet trainer Notes: 1. Please allow 1-3 cm difference due to manual measurement and 3-5 g for the difference between different colors. 2. Due to the screen difference, the color may be a little difference from what you expect, please allow it. 1. Convenient: the size of the product is not big, and you can carry it easily. The portable design can make the training in all places and time. 2. Multi-function: the item contains a clicker and whistle, and this 2 in 1 design is economical and practical, and it can meet the different demands at the same time. 3. Multi-choice: there are several different colors for you to choose from, and they are bright and beautiful and can show your taste in fashion. 4. High-quality: we guarantee it is 100% new. The product adopts high-quality material, and it is durable and economical. 5. Easy: the clicker trainer and whistle can help you to train your pets, and the method is easy. Your pets will listen to you and have the good behaviors in the short time.