Medical-grade sterile foam dressings are a critical component of Negative Pressure Wound Therapy (NPWT), designed to help manage exudate, promote granulation tissue formation, and support an optimal wound healing environment. NPWT foam dressings distribute controlled negative pressure evenly across the wound bed, which can help improve local blood flow, reduce edema, and assist with the removal of infectious materials and excess wound fluid. Foam color often reflects the intended clinical application and material composition. Black polyurethane foam is the most commonly used and widely recognized NPWT dressing material across many leading wound vac systems due to its versatility, pore structure, and effectiveness in promoting wound contraction and exudate management.