Tease and tantalize your submissive lover with Fetish & Fashionb s collection of seductive ball gags. Silicone mouthpiece. Strap is made from synthetic materials (PU) and nickel-free hardware and features an adjustable buckle closure. Fetish & Fashion Ball Gags are available in a variety of shapes and sizes. Katherine is a breathable ball gag - this product does not create a seal on the lips. Air can pass through the b Vb area on the heart. Waterproof Rating - IPX8.