Designed to provide protection and growth by addressing the continuous changes in the wound microenvironment. The unique combination of 55% Collagen, 44% ORC and 1% silver-ORC absorbs destructive components of chronic wound fluid and creates the optimal environment for cellular growth. PRISMA Matrix is a simple-to-use primary dressing and should be considered early as part of good ulcer care.- Dressing, 4.34" Sq, 10/bx, 4 bx/cs (Continental US+HI Only)