We love this bit because the leather mouthpiece is super soft and molds to the shape of your horse's mouth. A great option for sensitive for finnicky horses. Features 90 mm rings and a 21 mm thick mouthpiece made of a nylon-lined leather. Leather Jump' In bits are very soft and comfortable for horses. Unlike stainless steel, sweet iron or other alloys, leather prevents from too harsh a contact. Loose Ring Bit 90 mm rings 21 mm thick mouthpiece Mouthpiece made of a nylon-lined leather Molds to the shape of your horse's mouth Very soft and comfortable for horses Great option for sensitive for finnicky horses Leather prevents from too harsh a contact Size: 13.5cm *Disclaimer: Leather bits are not guaranteed against bites even after the first use.* (Maintenance Advice: rinse the bit after each use to prevent any residue deposit and to avoid your horse to feel any discomfort. Oil the leather with a vegetable oil (do not use neatsfoot oil or other any synthetic oil) to keep a soft and nice contact for your horse.) **Due to the contagious nature of the equine disease EHV-1 and per biosecurity measure guidelines suggested by the American Association of Equine Practitioners, The Farm House will no longer accept any returns on bits or bit accessories.**