Check the listing for details. Pessary Ring With Support Size 4, 100% Silicone, Prolapse, Incontinence. Condition: New. Listed at 44.10 USD. This is a brand new, 100% silicone, sealed, Size 4 Ring Pessary with Support. I do not sell any other sizes or types of pessaries. A size 4 ring with support is the most common and best tolerated size and type of pessary used by women. Size 4 is embedded directly on the pessary: E #4 As seen in the photos, the diameter of size 4 is 2.75 inches, or 70 millimeters. Simply wash with soap and water prior to and after each use and use as directed by your care provider. A successfully inserted vaginal pessary can improve voiding, urgency, and incontinence for women with urinary incontinence and pelvic organ prolapse, no matter the stage. This is a personal item, fitting and size should be determined by your health provider. No returns accepted outside of EBay's policies. Thank you. *Ships 1st Class with tracking. No shipping outside of the continental United States.