Air permeable feature. Pillow is a product used after breast surgery. Since chest surgery is usually invasive procedures, pain and discomfort may occur after surgery. Therefore, the HSS Sternum pillow is designed to ensure the comfort of patients and keep the painful area cool. In addition, skin breathing is provided thanks to the air permeable property of the pillow and has a fast drying feature. In this way, the risk of infection is reduced by providing appropriate hygienic conditions. The HSS Sternum pillow is a specially designed product to support the postoperative recovery process of patients.