Light compression to help patients with venous leg ulcers Creates a moist healing environment and provides light compression to combat venous leg ulcers. Inner plastic core makes application simple. Can be left in place for up to 7 days. Impregnated with zinc oxide and calamine to promote healing. Not for use on patients with zinc oxide or calamine sensitivities. This product is heavy and/or oversized and may need more than one person to handle.