combo comfort mullen mouth loose ring snaffle 18 mm silver 135 mmThanks to the combination of flexible synthetic material and high qualilty stainless steel, the bits are solid, yet very mild and gentle. The synthetic material features a 90A hardness and is FDA approved. This means the material is non toxic and free of solvents and plasticizers. The bits can be used for all horses and are particularly suitable for young horses, horses with sensitive mouths and horses that are having difficulty accepting other