OASIS® Ultra Tri-Layer Matrix is composed of porcine small intestinal submucosa (SIS), a scaffold of extracellular matrix (ECM) that helps support the body's own tissue repair mechanisms by providing increases strength, which allows for easy handling, fixation, and application. Available for use on a variety of wound types, enabling you to always choose the appropriately sized matrix for wounds in the inpatient setting. This device is not indicated for use in third-degree burns.