Pretty Pushers Disposable Postpartum Underwear, 2-pack Wide liner/pouch to hold ice packs in place 100% Cotton, disposable Drawstring waist, elastic-free 2 underwear per pack Available in 4 sizes. Please note that these are true-to-fit in pre-pregnancy sizes....Small (2-4) Medium (6-8) Large (10-12) Xlarge (14-16)