Unna Boot Bandage uses a non-raveling thread locked gauze which prevents wound entanglement. For treatment of venous stasis leg ulcers thrombophlebitis lymphatic edema sprains strains and dislocations Soothing zinc oxide paste formula Plain or with calamine Enhances patient comfort Individually foil wrapped bandages Unique knit construction allows for more uniform distribution of paste Finished edges; will not fray into wound site.