This flexible silky silicone Ball Gag gag is very flexible and made of high quality silicone. The gag is adjustable, with a circumference length ranging from 37 cm to 54 cm long. The ball of the gag has a diameter of 45 mm so it always fits snugly in any mouth, it has 3 breathing holes that can also be used to force fluids in or out. Remember to clean this toy with a good toy cleaner after each use.