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Two piece ostomy bags are ostomy systems where the skin barrier is not connected to the pouch. They are detached from one another when you purchase them. You buy the bag and flange separately and attach them yourself. These two supplies fit together via a plastic ring called a flange. It is important to purchase bags and wafers that are compatible with one another, as these supplies are not universal. Express Medical Supply offers flanges and wafers separately, or together in kits.

Two piece ostomy systems allow you to keep your wafer on for a longer period of time. Because the bag and wafer are separate, you can leave your wafer on your body and just empty or throw away the ostomy pouch when it becomes full. The ostomy wafer can be left on your body for up to four days. This makes a two piece ostomy system great for people with sensitive skin since you won't be changing your wafer as often. Another positive of two piece pouches is that they are convenient to change. You only have to remove your bag rather than remove your wafer and apply a new one. This is especially convenient in scenarios such as using public restroom or going to someone's house.

One thing to keep in mind with a two piece ostomy system is that it tends to be more bulky than a one piece bag and can be more visible under clothing. There is also a risk of the bag and wafer detaching from one another, which could cause leaks. Two piece ostomy bags are typically more expensive than a one piece bag. The choice between a two piece ostomy bag and a one piece bag comes down to personal preference and what makes you feel most comfortable. Once you heal from ostomy surgery, it may be beneficial to try both a one piece bag and a two piece bag to see which works better for your lifestyle.

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2-Piece Ostomy Bags

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Picture of ConvaTec SUR-FIT Natura - 12" Drainable 2-Piece Ostomy Bag (Two Sided Comfort Panel)

ConvaTec SUR-FIT Natura - 12" Drainable 2-Piece Ostomy Bag (Two Sided Comfort Panel)

  • Opaque pouch with standard tail closure
  • Audibly clicks for increased security
  • Available with or without filter
  • Box of 10 (without filter), box of 20 (with or without filter)
From: $31.95
Picture of ConvaTec SUR-FIT Natura - 12" Drainable 2-Piece Ostomy Bag w/Filter (InvisiClose Tail)

ConvaTec SUR-FIT Natura - 12" Drainable 2-Piece Ostomy Bag w/Filter (InvisiClose Tail)

  • Available with filter
  • Opaque: box of 20
  • Transparent: box of 10
  • Includes InvisiClose tail closure
  • Audible click secures skin barrier to pouch
  • Works with ConvaTec moldable skin barriers
From: $44.11
Picture of ConvaTec SUR-FIT Natura - 2-Piece Closed Ostomy Bag without Filter

ConvaTec SUR-FIT Natura - 2-Piece Closed Ostomy Bag without Filter

  • Opaque pouch
  • 8" long
  • Snap on, snap off design
  • 2 sided comfort panel
  • Closed end ostomy bag, discard after one use
From: $59.34
Picture of ConvaTec SUR-FIT Natura - Drainable 2-Piece Ostomy Bag (One Sided Comfort Panel)

ConvaTec SUR-FIT Natura - Drainable 2-Piece Ostomy Bag (One Sided Comfort Panel)

  • Quiet, odor proof comfort panel
  • Works with ConvaTec moldable skin barrier
  • Transparent or opaque
  • 2 tail closures per box
  • Transparent box of 10 or box of 20. Opaque box of 20 only
From: $31.95
Picture of ConvaTec SUR-FIT Natura - Drainable 2-Piece Ostomy Bag w/Filter (One Sided Comfort Panel)

ConvaTec SUR-FIT Natura - Drainable 2-Piece Ostomy Bag w/Filter (One Sided Comfort Panel)

  • Clicking mechanism for security
  • Transparent pouch with comfort panel
  • Invisiclose outlet
  • Built in filter
From: $42.95
Picture of Cymed MicroSkin - 11" Drainable Two-piece Colostomy Bag

Cymed MicroSkin - 11" Drainable Two-piece Colostomy Bag

  • Drainable pouch empties easily from the bottom
  • Ostomy supplies that have MicroSkin adhesive barrier
  • Waterproof ostomy pouch
  • For use with all two-piece barriers (except CYM68100)
From: $38.12
Picture of Cymed MicroSkin - 12" Drainable Two-piece Large Colostomy Bag

Cymed MicroSkin - 12" Drainable Two-piece Large Colostomy Bag

  • Drainable pouch with bottom release system
  • Ostomy supplies with MicroSkin adhesive barrier
  • Waterproof ostomy pouch
  • For use with CYM68100
From: $44.01
Picture of Cymed MicroSkin - 8" Closed end Two-piece Colostomy Bag with Filter

Cymed MicroSkin - 8" Closed end Two-piece Colostomy Bag with Filter

  • Waterproof
  • GORE-Tex Charcoal Filters
  • Use with all Cymed regular two-piece barriers
  • Disposable closed pouch for easy one-time use
From: $41.36
Picture of Cymed MicroSkin Platinum - 11" Drainable Two-piece Ileostomy Bag

Cymed MicroSkin Platinum - 11" Drainable Two-piece Ileostomy Bag

  • MicroSkin adhesive barrier
  • No hard rings, for added comfort
  • Pouch releases from the bottom for ease in cleaning
From: $38.12
Picture of Cymed MicroSkin Platinum - 11" Two-Piece Pouch (Press n Seal Closure - Gore-Tex Filter)

Cymed MicroSkin Platinum - 11" Two-Piece Pouch (Press n Seal Closure - Gore-Tex Filter)

  • MicroSkin adhesive barrier
  • For use with all regular Cymed two-piece barriers
  • Includes the Press n Seal Closure bottom and a Gore-tex Filter
From: $38.12
Picture of Hollister New Image - 12" 2-Piece Drainable Ostomy Bag

Hollister New Image - 12" 2-Piece Drainable Ostomy Bag

  • Drainable pouch with odor-barrier and rustle-free film
  • ComfortWear panels for a soft, cloth-like layer between the pouch and skin
  • Provides comfort, security, and peace of mind
  • Box of 10
From: $29.45
Picture of Hollister New Image - 12" 2-Piece Drainable Ostomy Bag (Lock n Roll)

Hollister New Image - 12" 2-Piece Drainable Ostomy Bag (Lock n Roll)

  • Lock n Roll closure system
  • Easy to close, empty, and clean
  • Odor barrier and rustle-free film layers eliminate odor and pouch noise
  • Box of 10
From: $29.45
Picture of Hollister New Image - 12" 2-Piece Drainable Ostomy Bag with Filter

Hollister New Image - 12" 2-Piece Drainable Ostomy Bag with Filter

  • Integrated filter to eliminate gas build-up
  • Drainable pouch with odor-barrier and rustle free film
  • ComfortWear panels for a soft, cloth-like layer between the pouch and skin
From: $37.45
Picture of Hollister New Image - 12" 2-Piece Drainable Ostomy Bag with Filter (Lock n Roll)

Hollister New Image - 12" 2-Piece Drainable Ostomy Bag with Filter (Lock n Roll)

  • Drainable pouch with a rustle free odor barrier film
  • Integrated filter to eliminate gas build-up
  • ComfortWear panels for a soft, cloth-like layer between pouch and skin
  • Lock n Roll drainable pouch is easy to close, empty, and clean
  • Box of 10
From: $37.45
Picture of Hollister New Image - 7" 2-Piece Drainable Lock n' Roll Mini Pouch

Hollister New Image - 7" 2-Piece Drainable Lock n' Roll Mini Pouch

  • Integrated filter
  • Odor-barrier and rustle free film
  • Lock n' Roll closure (roll three times and seal)
  • ComfortWear panels on both sides of the drainable pouch
From: $74.95
Picture of Hollister New Image - 9" 2-Piece Closed Ostomy Bag (QuietWear)

Hollister New Image - 9" 2-Piece Closed Ostomy Bag (QuietWear)

  • Opaque beige pouch
  • QuietWear pouch material adds comfort and discretion
  • Closed pouch with odor barrier and rustle free film to help prevent odor and noise
  • ComfortWear panels offer a soft, cloth-like layer between pouch and skin
  • Box of 30 or box of 60
From: $52.95
Picture of Hollister New Image - 9" 2-Piece Closed Ostomy Bag with Filter

Hollister New Image - 9" 2-Piece Closed Ostomy Bag with Filter

  • Ostomy supplies featuring integrated filter to eliminate gas build-up
  • Closed pouch with odor barrier and rustle free film to help prevent odor and noise
  • Hollister ostomy pouch has ComfortWear panels for a soft, cloth-like layer between pouch and skin
  • Box of 60
From: $115.95
Picture of Hollister New Image - 9" 2-Piece Closed Ostomy Bag with Filter (QuietWear)

Hollister New Image - 9" 2-Piece Closed Ostomy Bag with Filter (QuietWear)

  • Box of 30 ostomy wafers
  • Ostomy supplies featuring integrated filter to eliminate gas build-up
  • Closed pouch with odor barrier and QuietWear pouch material
  • Hollister ostomy pouch has ComfortWear panels for a soft, cloth-like layer between pouch and skin
From: $57.95
Picture of Hollister New Image - 9" 2-Piece Drainable Ostomy Bag (Mini)

Hollister New Image - 9" 2-Piece Drainable Ostomy Bag (Mini)

  • Water friendly mini ostomy pouch
  • Odor barrier and rustle free film
  • ComfortWear panels on both sides of drainable pouch
  • Box of 10
From: $29.45
Picture of Hollister New Image - High Output Ultra-Clear Drainable Pouch

Hollister New Image - High Output Ultra-Clear Drainable Pouch

  • This is a two piece ostomy system that requires New Image ostomy wafer
  • Soft tap sprout is easy to use and soft on the skin
  • Superior odor control and see through area to easily check stoma
  • Eliminates pressure on tender stomach with exclusive floating flange
From: $63.45
Picture of Coloplast SenSura Mio Click - 2 Piece Maxi Closed Ostomy Bag

Coloplast SenSura Mio Click - 2 Piece Maxi Closed Ostomy Bag

  • Closed pouch length: 8 1/4"
  • New neutral gray textile material blends easily under most fabric colors
  • Audible click when pouch and barrier combines provides comfort and security
  • Box of 30
From: $57.45
Picture of Coloplast SenSura Mio Click - 2 Piece Midi Closed Ostomy Bag

Coloplast SenSura Mio Click - 2 Piece Midi Closed Ostomy Bag

  • Closed pouch length: 7 1/4"
  • New neutral gray textile material blends easily under most fabric colors
  • Audible click when pouch and barrier combines provides comfort and security
From: $57.45
Picture of Coloplast SenSura Mio Flex - 2-Piece Opaque Closed Ostomy Bag

Coloplast SenSura Mio Flex - 2-Piece Opaque Closed Ostomy Bag

  • Opaque with an inspection window
  • Fabric-like material
  • Built in filter
  • Disposable ostomy bag
  • Box of 30
From: $53.45
Picture of ConvaTec Little Ones - Closed 2-Piece Ostomy Bag

ConvaTec Little Ones - Closed 2-Piece Ostomy Bag

  • Works in water
  • Clicks securely into place
  • Disposable, single use ostomy pouch
  • Opaque with two-sided comfort panel
From: $30.45
Picture of ConvaTec Little Ones - Drainable 2-Piece Ostomy Bag

ConvaTec Little Ones - Drainable 2-Piece Ostomy Bag

  • Audibly locks to skin barrier
  • Tail clip included for secure closure
  • Ostomy supplies that fit smaller body contours
From: $22.45
Product Information

Two piece ostomy bags are ostomy systems where the skin barrier is not connected to the pouch. They are detached from one another when you purchase them. You buy the bag and flange separately and attach them yourself. These two supplies fit together via a plastic ring called a flange. It is important to purchase bags and wafers that are compatible with one another, as these supplies are not universal. Express Medical Supply offers flanges and wafers separately, or together in kits.

Two piece ostomy systems allow you to keep your wafer on for a longer period of time. Because the bag and wafer are separate, you can leave your wafer on your body and just empty or throw away the ostomy pouch when it becomes full. The ostomy wafer can be left on your body for up to four days. This makes a two piece ostomy system great for people with sensitive skin since you won't be changing your wafer as often. Another positive of two piece pouches is that they are convenient to change. You only have to remove your bag rather than remove your wafer and apply a new one. This is especially convenient in scenarios such as using public restroom or going to someone's house.

One thing to keep in mind with a two piece ostomy system is that it tends to be more bulky than a one piece bag and can be more visible under clothing. There is also a risk of the bag and wafer detaching from one another, which could cause leaks. Two piece ostomy bags are typically more expensive than a one piece bag. The choice between a two piece ostomy bag and a one piece bag comes down to personal preference and what makes you feel most comfortable. Once you heal from ostomy surgery, it may be beneficial to try both a one piece bag and a two piece bag to see which works better for your lifestyle.

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