The belly strap is made from 2" nylon and finished with heavy duty Velcro allowing for roughly 4 inches of adjustment

3mm Links: Links are 1-3/4" long and 1/2" wide

Does not rust or corrode

Adjustable arm is 6" tall

5 points of adjustment for size

Goughnuts Heavy Duty Black Ring Size:Medium (30-70 Pound Dog) The belly strap is madeCarbon reinforced rubber Solid rubber No indicator core Made for power chewers Guaranteed for life Toughest Goughnut ring yet Always supervise your dog chewing [split] The Goughnuts Heavy Duty Black Ring was engineered to give dogs a safer, tough toy. This ring is made from a natural rubber in the USA employing revolutionary carbon reinforcement technology. The new Heavy Duty Ring is the most durable Goughnut yet made for true power chewers under