Designed to help reduce horse cribbing behavior. This collar is constructed of strong doubled and stitched nylon web strap with durable steel buckle adjustment. Five holes for size adjustment are reinforced with metal grommets for durability. Aluminum hinge. 1" wide, Adjusts 28" - 32" to fit most horses. Not guaranteed to stop a horse’s cribbing habit. Consult an equine professional or veterinarian for additional guidance.