The pessary ring with knob is available with support or without support membrane. 
It has the same indications as the ring pessary and may also relieve stress urinary incontinence.

Size:                Dimensions (Inch)

1 (30-RKS1)        2.00"

2 (30-RKS2)        2.25"

3 (30-RKS3)        2.50"

4 (30-RKS4)        2.75"

5 (30-RKS5)        3.00"

6 (30-RKS6)        3.25"

~~~For health and safety reasons, we are unable to accept returns or exchanges.~~~

~~~Please consult with your physician to ensure the correct size and type of pessary before making a purchase.~~