The wafer and pouch are one-piece system and must be removed from the skin together when the pouch is replaced.

In addition, the wafer and bag of a one-piece ostomy bag do not needa connecting ring to connect, so it feels more flexible to use, and may be less noticeable under clothes.

If you have a significant bulge around your stoma or a parastomal hernia,

 one-piece ostomy bag may be a better option for you.

The baseplate and bag of the two-piece ostomy bag are separated and connected by a connecting ring ,which  can be easily removed separately bag.

You can choose different types of pouches or the baseplate to meet your needs.