These gags are hand-dipped in rubber four times to achieve their smooth, seamless surface. There are no openings on the ends of the balls, so they can be shared by multiple people and disinfected easily. The ball smoothly extends out into 2" extensions that are securely riveted onto a sturdy leather strap with lockable buckles. When buckled, the straps provide a minimum circumference of
17". At the maximum size, the circumference is 22".