This McKesson Unna boot is made with soft cotton that wraps easily around the leg for comfort.The material contains a non-hardening zinc oxide paste that applies compression therapy to venous ulcers.This zinc oxide Unna boot keeps ulcers moist, helping them heal more quickly.Each roll comes in an easy-to-open vacuum-sealed pouch to preserve moisture.This nonsterile bandage is single-use and disposable, preventing…