Coloplast Foam Dressing Biatain® Adhesive 4 X 4 Inch With Border Without Film Backing Hydrocolloid Adhesive Square Sterile #3430Features Biatain Adhesive is a soft and conformable polyurethane foam dressing with a hydrocolloid adhesive border Biatain Adhesive absorbs and retains exudate to promote an optimal moist wound healing environment Upon contact with exudate, the unique foam with 3DFit Technology conforms to the wound bed and reduces exudate pooling Microcapillaries go into action to absorb exudate vertically and create optimal healing conditions Exudate is locked away