FEATURES:- Pure Silicone bone gag with sturdy buckle closures- Soft comfortable and totally adjustable design- Thick and durable camo fabric on one side with comfortablevegan leather on the other - Heavy-duty hardware MATERIALS: Silicone (bone ring) Cotton (fabric) PU (strap lining) Nickel-Free and Non-Tarnishing Iron (buckle rings) Nickel-Free and Non-Tarnishing Copper (rivets)MEASUREMENTS:5" x 1"/12.75 cm x 2.5 cm (bone gag)