Used but good condition. Minor marks on inside. New this belt would cost €50 This is a Serola Biomechanics Sacroiliac Belt in a medium size. Intended Use: The belt is designed to stabilize the sacroiliac joint, aiming to relieve lower back, hip, and leg pain. Mechanism: It uses a non-elastic layer to mimic the action of ligaments, helping to normalize joint function without restricting movement. Sizing: The medium size displayed on the box fits hip measurements between 34 and 40 inches. Features: It is designed for use during pregnancy, rehabilitation, or to provide general postural support