• Adjustable dog collar for medium-sized dogs with neck measurements from 30 to 45 cm. • Collar width: 20 mm. • Made of nylon, polyester, and denim for greater strength and durability. • Super Girl screen-printed design sewn onto the denim fabric. • Includes metal tag with Super Girl logo, ideal for placing a phone number in case of loss. • Perfect for training your pet in the use of collars. • Usage recommendations: make sure you can place two fingers between the collar and the dog's neck. • Precautions: do not leave the dog alone with the collar on and remove it before anti-parasite treatments.