The Svowin Self-adhesive Wool Felt Ball of Foot Cushion is a set of 3 shoe insoles made of a wool blend material. These insoles provide extra cushioning and support for the ball of the foot, making them ideal for those who experience discomfort or pain in this area while wearing shoes. The self-adhesive feature ensures a secure fit, providing stability and comfort throughout the day. Perfect for those looking to enhance their shoe care routine with a high-quality and durable insole option.