Primer® Unna Boot Zinc Oxide 4 Inch X 10 Yard (197000_DZ) 12/DZIdeal for managing: venous stasis ulcers, lymphatic edema, minor sprains, strains, fractures, thrombophlebitis and skin grafts on burn wounds Contains no gelatin which prevents the hardening or caking of the bandage Made without preservatives and with nonraveling thread locked gauze Packaged in a vacuum sealed pouch