The Wallace ring pessaries are available in a wide range of sizes to suit all patients. The flexible material is intended to provide comfort to the patient during fitting and duration of use. Designed to ease uterine prolapse and other uterine displacements. Please note product is only intended for 6 months use and should be discarded and replaced with a new one after this time. • Flexible PVC with large cross section • Sixteen sizes from 50mm to 110mm (outside diameter) • Individually packed in easy to open pouches Not available for purchase in the U.S.