Sex and Mischief Hush Ball Gag is high fashion, stylish design, breathable ball gag is a high end accessory at a low end price. Accessible to all consumers, beginner to advanced. Think of it as a blindfold for your mouth. Includes: 1.75 inches diameter ball and a one size fits most fabric strap. Materials: Polyurethane PU Fabric, ABS Plastic, Nickel Free Metal Hardware.