Twolayer heels made of natural leather and natural cork are used to compensate for the difference in the length of the limbs in diseases of the heels and knee joint. It absorbs shock well which significantly reduces the load on the Achilles tendon and hip joints. They adjust the height of the heel in the shoe preventing wear on the heel and compression of the shoe. We recommend any kind of covered footwear. They increase comfort when walking.Available in two sizes women (5.5 cm wide) and men (width 6.5 cm).The package contains two inserts.Selfadhesive stick to dry and degreased surface! For proper hygiene change heels every 68 weeks.