Environmental-friendly and healthy Italian leather,no allergy to skin/ 6.5cm High elastic foam,no losing shape for years/Pipings and buttons also in the same leather,not PU,no split,no come off within years/Thick leather belts,flexible and durable/Polished stainless steel frame,can load 200kg,no rust within years`use/Aniline leather and pony are available/12mm frame is available.