Dynarex Unna Boot Flexible Non-Sterile Bandage 4"X10YD 1 ea is for the treatment of venous stasis leg ulcers, thrombophlebitis, lymphatic edema, sprains, strains, and dislocations. These Unna boot bandages contain a soothing zinc oxide paste formula. Dynarex Unna boot bandages come plain or with calamine for added patient comfort. Unna boot bandage and most Dynarex medical supplies are sold by the case.