Master Series White Silicone Dog Bone Gag. Silicone Bone Gag one size fits most. This inhibiting bone gag will help you train and control your pet comfortably. Made of premium silicone, this semi realistic dog bone gag consists of two adjustable 12 inch silicone straps that are connected to the bone by a metal ring at each ens. The bone colored gag measures 6 inches in length and 1 inch thick, giving them a good size bit to bite on while in training. The back as a rolled buckle which allows you to lock the gag in place with the addition of a small padlock. Explore the many dimensions of puppy play with this devious bone gag from the Kanine Collection from Master Series. Measurements 25 inches in total length, gag measures 6 inches in length and 1 inch in diameter. Materials Silicone, metal. Color White. Please note locks sold separately.