Product Description The SUR-FIT Natura Flange System signals a secure, accurate closure with a series of audible “clicks%XE2%X80?. A simple snap-off, snap on design allows users to change the pouch quickly to match activities without removing the skin barrier from the skin. The drainable pouches have soft, fabric-like comfort panels. In addition, drainable pouches are available with the InvisiClose tail closure system and an advanced filter. The InvisiClose clipless tail closure offers double security, ease of drainage, comfort and cleanliness. Do not use unproven, unbranded products, which can pose serious risks to your health.