Check the listing for details. Pessary Bioteque Ring with Knob and With Support, various sizes. Color: White, Condition: New with box. Listed at 51.99 USD. The Ring pessary, available with or without a supporting membrane, is primarily used for a mild first-degree uterine prolapse or a cystocele. Sizes Specs: Pessary Ring with Knob and With Support Size 1 Silicone Size 1; RKS1: 2.0 Inch Pessary Ring with Knob and With Support Size 2 Silicone Size 2; RKS2: 2.25 Inch Pessary Ring with Knob and With Support Size 3 Silicone Size 3; RKS3: 2.50 Inch Pessary Ring with Knob and With Support Size 4 Silicone Size 4; RKS4: 2.75 Inch Pessary Ring with Knob and With Support Size 5 Silicone Size 5; RKS5: 3.0 Inch Pessary Ring with Knob and With Support Size 6 Silicone Size 6; RKS6: 3.25 Inch Pessary Ring with Knob and With Support Size 7 Silicone Size 7; RKS7: 3.50 Inch Country of OriginTaiwanApplicationPessaryColorWhiteDimensionsvariesHCPCSA4562MaterialSiliconeSizevariesSupport TypeWith SupportTypeRing with Knob Disclaimer:Please consult with a physician for the correct pessary type/size before purchase.Sorry, no return/exchange.Actual products may different from photos.