Are you tired of the loud whistles used to call your dog back? Try the Silent Training Whistle from Omnipet! This training whistle echoes a high-frequency sound when blown that only your pup can hear. This whistle is a great alternative training tool to other loud whistles. 

• Echoes a high-frequency sound that only your dog can hear
• Can be used as an alternative training tool 
• Made of high-quality steel and plastic