A two-piece bandage is useful for treating wound on a patient. The bandage includes a boundary portion including a bottom surface comprising adhesive for attaching the boundary portion to skin of a patient, an open window in the middle of the boundary portion permitting one to view a wound through the open window, and a top surface. The top surface includes a first portion of the top surface surrounding the open window including a flat surface and a second portion of the top surface including an uneven surface. The bandage further includes a plurality of replaceable wound covering portions, each replaceable wound covering portion comprising a padded section comprising a material to dress the wound.