Coronet Flexible Rubber Mouth Loose Ring BitWe love the Coronet Flexible Rubber Mouth Loose Ring Bit because of the quality material and design. Flexible rubber bone mouth. Great for young horses or when they don't like the snaffle action. The rings are stainless steel and are made by Coronet. Ring size is 2 1 2" Rings are Stainless Steel Flexible Rubber Bone Mouth Sizes: 4 1 2" 4 3 4" 5" 5 1 2" **Due to the contagious nature of the equine disease EHV 1, and per biosecurity measure guidelines