This high fashion, stylish design, breathable ball gag is a highend accessory at a lowend price. Accessible to all consumers, beginner to advanced. Think of it as a blindfold for your mouth. Features: Great for beginners or advanced users Nickel free metal Product Dimensions:1.75" (44.7mm) diameter ball and a onesizefitsmost fabric strap In The Box: 1.75" (44.7mm) diameter ball and a onesizefitsmost fabric strap Materials: 80% polyurethane, 11% abs plastic, 9% nickel free metal