One of the most effective cervical effacement and dilation teaching tools ever devised, this model (approximately 14" x 9") is made of variegated blue acrylic yarns that differentiate the fundus, lower segment, cervix, and vagina (attached with snaps). Pictured Fetal Model (Item #79814) is not included and sold separately. The Knitted Uterus/Vagina Model is also available as a set (Item #79805) with the Cesarean Version (Item #79802) and the Fetal Model.