Train your furry friend with the STARMARK Adjustable Pro Training Collar. This collar fits large dogs with a neck size of 21" and features an adjustable design to ensure a comfortable fit for your pup. The black plastic material is durable and able to withstand wear and tear from active dogs.

Size large,  21" length.  Package was opened, but never used. 

The collar's features include adjustable settings and a no-pull design for effective training. The black color adds a sleek touch to your pet's style, while the Starmark brand ensures quality. Perfect for pet owners looking to train their dogs without interfering with their comfort, this collar is a must-have for any dog owner.