Collagen 2x2 Wound Care Kit Sterile 2_x2_ Collagen Wound Dressing is ideal for managing acute and chronic wounds. 90% pure non-cytotoxic collagen rapidly absorbs up to 30 times its weight in exudate. Easy-to-cut and apply, collagen improves binding of matrix metalloproteases (MMPs) and promotes optimal healing and extracellular matrix formation. 30 Day Kit Kit Contents: 8 oz. Spray Wound Cleanser 2_2 Collagen Dressing (30) 4_4 Bordered Gauze (30)