US 
Pouches
Colostomy
For Colostomates, it is best to use a closed pouch as the stoma output is usually quite firm. If the output is more liquid though, then a drainable pouch is best.
What kind of colostomy pouch are you looking for?
A 1-piece system means the flange (the part that sticks to your skin) is joined to the pouch, resulting in a secure and comfortable user experience. The goal is simplicity with a discreet profile.
1-piece flat
A 1-piece system means the flange (the part that sticks to your skin) is joined to the pouch, resulting in a secure and comfortable user experience. The goal is simplicity with a discreet profile.