describe: 1. Contains 3 pieces of pet training , dog training with , consisting of metal casing, plastic top button and bottom, , sturdy, durable for long-term use; 2. This is a dog paw print ringer, pet supplies trainer, sounding puzzle toy dog trainer dog trainer; 3. Put the training on a flat place, you can use it to teach your or to press the button to ring the and give a treat, which is convenient and repetitive for dog training; 4. For potty training, outdoor training, home training, etc. You can place one by the door and the other in the garden or yard, they will be lovely gifts for and who have ; 5. Metal sounding , and dog barking order , dog intellectual toy, develops puzzles, and can interact with pets. Specification: Name: Ring the for pet training Material: metal + plastic Color: white+black : 3 Size: 7 x 4.5cm Package Contents: 3 x for pet training Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.