This professional agility device complies with FCI guidelines, and therefore can be used in official competitions. It is also often used in care centers and dog training schools. The materials used and the well-thought-out design of this device ensure safe usage. The foam-covered ring is adjustable and has a water-resistant outer layer. The base is made of aluminum. In short, high-quality materials. The ring consists of two semi-circular rings, and the rings are adjustable and rotatable, and both halves can be connected using magnets. If the dog jumps through the ring and an Error occurs, the ring will open. In short, a safe device that allows you to train your dog safely. Dimensions: Height 90 cm with measurement indicator Outer ring diameter 63 cm, and inner diameter 50 cm.