extra strong
I used this as a puppy collar for my Jagdterrier. Really, I prefer leather collars, but only switch over, once a dog is fully grown. But for an over-exuberant hunting dog, regular fabric collars are not much use, especially during the initial training stages. I've had to throw lesser models out after only a couple of weeks. It can be adapted for size a lot. My terrorist wore it from 7 weeks to 8 month old and it's still in 1 piece.