100% Body-safe silicone oval gag offers a smooth, comfortable fit designed for longer wear. Ergonomic oval shape promotes a more natural jaw position to help reduce strain during use. Adjustable faux leather buckle closure with nickel-free hardware provides a secure, personalized fit. 52% Silicone, 30% polyurethane, 18% iron 25.5 W x 0.75 H x 1.45 D