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Ostomy Barriers: 1-Piece vs 2-Piece Ostomy Systems

Ostomy wafers adhere to the skin around your stoma and connect to an ostomy bag. Ostomy wafers are also called baseplates, barriers, and flanges. The skin barrier is designed to protect delicate stomal skin from caustic output. These are two types of ostomy systems: When ostomy wafers are pre-attached to the bag and cannot come apart, it's considered a 1-piece ostomy system. While 2-piece systems are separate and connected to one another by the user. If you use a 1-piece system, both the wafer and bag must be disposed of when the bag is full. With a 2-piece system, you can remove the bag from the flange and throw it away, leaving the wafer attached to your body.

If you choose to use 2 piece ostomy bags, keep in mind that flanges will only connect with an ostomy pouch system from the same brand’s product line. You cannot use a flange from one brand and connect it to a pouch from a different brand. This also applies to different product lines manufactured by the same company. For instance, you cannot use a Coloplast Sensura flange with a Coloplast Assura pouch. Brands often use colors to represent stomal opening sizes, making it easier to match up the wafer with the corresponding pouch. This is another benefit of staying within the same product line once you find the wafer size that works best with your stoma.

Customizable Wafers

Cut to fit wafers allow you to customize the size and shape of the opening in the barrier. They are beneficial for new ostomates, because after surgery the stoma will change size and shape. These are also helpful for people who are in between sizes or don’t have a perfectly round stoma. Pre-cut wafers or flanges have an existing hole cut out, preventing you from having to cut the opening yourself. For those with established and rounder stomas, using a pre-cut flange can save you the time of fitting the wafer once you know which flange size works best for you.

Ostomy Seals

It is rare that an ostomy barrier will fit perfectly around your stoma. Usually there is a small gap between the stoma and the hole of the barrier. Leaving open gaps can cause stoma output to leak under the wafer, which could damage stomal skin. Ostomy seals are placed underneath your wafer to fill in the gaps between the ostomy wafer and your stoma. These barrier rings are made from a flexible material and can be fitted to the size and shape of your stoma. We also carry moldable flanges, which have a barrier ring-like material already built into the flange.

Skin Protection

Skin prep wipes and ostomy barrier sprays can also protect your stoma from redness and irritation or help treat damaged skin. Barrier sprays and wipes form a thin layer on the skin that shields it from moisture and output. Some ostomates apply stoma powder to the skin and follow up with skin prep product afterward. This process, known as crusting, protects the stomal skin and helps the wafer adhere to the body.

Buy Ostomy Wafers Online

Order ostomy products and supplies online that can be quickly shipped to your door. Shop our large collection of ostomy wafers now.

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Picture of Cymed MicroSkin - Adhesive Ostomy Barrier/Flange (Cut to Fit)

Cymed MicroSkin - Adhesive Ostomy Barrier/Flange (Cut to Fit)

  • Universal flange works with most Cymed two-piece pouches
  • Breathable, moisture vapor permeable washer allows for healthier skin
  • Waterproof
  • 1mm washer works well for colostomy or urostomy
  • 2mm washer works well for ileostomy, colostomy with liquid output
From: $29.45
Picture of Cymed MicroSkin - Large Adhesive Ostomy Barrier/Flange (Cut to Fit)

Cymed MicroSkin - Large Adhesive Ostomy Barrier/Flange (Cut to Fit)

  • Waterproof
  • Transparent MicroSkin skin barrier
  • Works well with CYM68364 and CYM68464
  • Cut-to-fit for stomas up to 2 1/2"
From: $41.95
Picture of Hollister CeraPlus New Image - Convex Skin Barrier with Floating Flange (Cut to Fit)

Hollister CeraPlus New Image - Convex Skin Barrier with Floating Flange (Cut to Fit)

  • Tape border securely holds the ostomy flange in place
  • Protects the skin's natural moisture barrier
  • Helps maintain good peristomal skin health
  • Helps decrease transepidermal water loss (TEWL) from damaged or eroded skin
  • Box of 5
From: $52.95
Picture of Hollister CeraPlus New Image - Convex Skin Barrier with Floating Flange (Pre-cut)

Hollister CeraPlus New Image - Convex Skin Barrier with Floating Flange (Pre-cut)

  • Pre-cut convex skin barrier with floating flange
  • Protects the skin's natural moisture barrier
  • Maintains good peristomal skin health
  • Decrease trans epidermal water loss (TEWL) from damaged or eroded skin
From: $52.95
Picture of Securi-T USA -  2-Piece Ostomy Skin Barrier with Flange (Cut to Fit)

Securi-T USA - 2-Piece Ostomy Skin Barrier with Flange (Cut to Fit)

  • This product is being discontinued, sizes are limited
  • Standard wear wafer with tape collar
  • Flange sizes: 1 3/4" and 2 3/4"
  • Easy to apply and easy to remove
From: $35.16
Picture of Hollister New Image - Convex Floating Flange Skin Barrier w/Tape Border/FlexWear - Cut to Fit

Hollister New Image - Convex Floating Flange Skin Barrier w/Tape Border/FlexWear - Cut to Fit

  • Audible “click” locking system
  • Floating flange eliminates pressure
  • FlexWear standard wear ostomy flange
  • Ideal for recessed, flushed, or retracted stomas
From: $37.95
Picture of Securi-T USA - Solid Hydrocolloid Wafer (Cut to Fit)

Securi-T USA - Solid Hydrocolloid Wafer (Cut to Fit)

  • Flange size: 1 3/4"
  • Solid hydrocolloid wafer
  • Cut-to-fit standard wear wafer
From: $36.19
Picture of Hollister New Image - Convex Skin Barrier with Floating Flange (Flextend - Cut to Fit)

Hollister New Image - Convex Skin Barrier with Floating Flange (Flextend - Cut to Fit)

  • Discharge-resistant skin barrier with tape border
  • Flextend, extended wear floating flange
  • Ideal for those with flush, recessed, or retracted stomas
From: $52.95
Picture of Hollister New Image - Convex Skin Barrier with Floating Flange (Flextend -Pre-cut)

Hollister New Image - Convex Skin Barrier with Floating Flange (Flextend -Pre-cut)

  • Extended wear ostomy supplies
  • Ideal for those with flush, recessed, or retracted stomas
  • Floating ostomy flange provides extra support and comfort
  • Box of 5
From: $52.95
Picture of Hollister New Image - Convex Skin Barrier with Floating Flange (FlexWear- Pre-cut with Tape Border)

Hollister New Image - Convex Skin Barrier with Floating Flange (FlexWear- Pre-cut with Tape Border)

  • Ideal for use with urostomies and ileostomies
  • FlexWear barrier protects from irritating discharge
  • Floating ostomy flange provides extra support while applying pouch to barrier
From: $37.95
Picture of Hollister New Image - Convex Skin Barrier with Floating Flange (FlexWear- Pre-cut without Tape Border)

Hollister New Image - Convex Skin Barrier with Floating Flange (FlexWear- Pre-cut without Tape Border)

  • Floating convex ostomy flange
  • Protects from irritating discharge
  • Ideal with urostomies and ileostomies
From: $37.95
Picture of Hollister New Image - Convex Skin Barrier with Floating Flange (No Tape Flextend - Pre-cut)

Hollister New Image - Convex Skin Barrier with Floating Flange (No Tape Flextend - Pre-cut)

  • Convex skin barrier without tape border
  • Extended wear ostomy supplies with tapered edges
  • A pre-cut convex ostomy flange ideal for those with flush, recessed, or retracted stomas
  • Floating ostomy flange provides extra support while being attached to a pouch
From: $52.95
Picture of Hollister New Image - Convex Skin Barrier with Floating Flange (No Tape Flextend - Cut to Fit)

Hollister New Image - Convex Skin Barrier with Floating Flange (No Tape Flextend - Cut to Fit)

  • Wafer does not have a tape border
  • Flextend extended wear convex skin barrier, flat
  • Ideal for those with flush, recessed, or retracted stomas
From: $52.95
Picture of Hollister New Image - Skin Barrier with Floating Flange (FlexWear - Pre-cut - Tape Border)

Hollister New Image - Skin Barrier with Floating Flange (FlexWear - Pre-cut - Tape Border)

  • Formulated to resist breakdown
  • Wafer is thin and flexible with tapered edges
  • Audible locking system, floating flange, and tape border make assembly easier
From: $29.45
Picture of Hollister New Image - Skin Barrier with Floating Flange No Tape (Flextend - Pre-cut)

Hollister New Image - Skin Barrier with Floating Flange No Tape (Flextend - Pre-cut)

  • Flextend (extended wear) skin barrier without a tape border
  • Floating ostomy flange allows for easy application
  • Patented locking system has an audible "click"
From: $35.45
Picture of Hollister New Image - Convex Skin Barrier with Floating Flange (No Tape FlexWear - Cut to Fit)

Hollister New Image - Convex Skin Barrier with Floating Flange (No Tape FlexWear - Cut to Fit)

  • Standard wear ostomy supplies
  • Cut-to-fit, up to 1" (up to 25 mm)
  • A cut to fit convex ostomy flange ideal for those with flush, recessed, or retracted stomas
  • Floating ostomy flange without a tape border
  • Designed to be used with any New Image drainable, closed, or urostomy pouch with same flange size
From: $37.95
Picture of Hollister New Image - Skin Barrier with Floating Flange with Tape (Flextend - Pre-cut)

Hollister New Image - Skin Barrier with Floating Flange with Tape (Flextend - Pre-cut)

  • Extended wear skin barrier with tape border
  • Easily applied floating ostomy flange
  • Patented locking system has an audible "click" when pouch and skin barrier lock
  • Box of 5
From: $35.45
Picture of ConvaTec SUR-FIT Natura - Durahesive Oval Flat Moldable Skin Barrier

ConvaTec SUR-FIT Natura - Durahesive Oval Flat Moldable Skin Barrier

  • Perfect for oval stomas
  • Moldable technology for a perfect fit
  • Flange size 2 3/4", stoma size 1 3/4"-2 1/8"
  • ConvaTec Moldable Technology ostomy supplies protect the peristomal skin
From: $75.95
Picture of Hollister CeraPlus New Image - Skin Barrier with Floating Flange (Cut to Fit)

Hollister CeraPlus New Image - Skin Barrier with Floating Flange (Cut to Fit)

  • Tape border securely holds the ostomy flange in place
  • Protects the skin's natural moisture barrier
  • Helps maintain good peristomal skin health
  • Helps decrease transepidermal water loss (TEWL) from damaged or eroded skin
  • Box of 5
From: $34.95
Picture of Coloplast Sensura Mio Click Flip - Cut-to-Fit Convex Ostomy Barrier

Coloplast Sensura Mio Click Flip - Cut-to-Fit Convex Ostomy Barrier

  • Availble in three sizes
  • Star-shaped ostomy wafer designed to fit outward body areas
  • Flip grips and holds hernias and bulges for a secure connection
  • Convex ostomy barrier for recessed or hard to fit stomas
  • Coloplast Sensura Mio elastic adhesive moves with you
From: $41.45
Picture of ConvaTec SUR-FIT Natura - Durahesive Flat Moldable Skin Barrier

ConvaTec SUR-FIT Natura - Durahesive Flat Moldable Skin Barrier

  • Snap on, snap off design
  • Moldable wafer for a customized fit
  • Hydrocolloid adhesive
  • Durahesive material protects stomal skin
  • Box of 10
From: $75.95
Picture of Hollister CeraPlus New Image - Skin Barrier with Floating Flange (No Tape/Cut to Fit)

Hollister CeraPlus New Image - Skin Barrier with Floating Flange (No Tape/Cut to Fit)

  • Latex free
  • Adhesive free
  • Floating flange to easily connect pouch and wafer
  • Ceramide-infused barrier for healthy peristomal skin
From: $34.95
Picture of Hollister New Image - Skin Barrier Floating Flange (FormaFlex - Cut to Fit - Tape Border)

Hollister New Image - Skin Barrier Floating Flange (FormaFlex - Cut to Fit - Tape Border)

  • Latex free
  • Skin barrier with integrated floating flange with tape border
  • FormaFlex (extended wear) skin barrier
  • Shape to fit skin barrier with starter hole
From: $37.45
Picture of Hollister New Image - Skin Barrier with Floating Flange (FlexTend - Cut to Fit)

Hollister New Image - Skin Barrier with Floating Flange (FlexTend - Cut to Fit)

  • Tape border securely holds the ostomy flange in place
  • Ideal for use right after surgery and with urostomies or ileostomies
  • Flextend barrier is designed to protect against irritating discharge
  • Floating ostomy flange allows for extra support while applying the pouch to the barrier
  • Box of 5
From: $35.45
Picture of Hollister New Image - Skin Barrier with Floating Flange (FlexWear - Cut to Fit)

Hollister New Image - Skin Barrier with Floating Flange (FlexWear - Cut to Fit)

  • Standard wear FlexWear skin barrier ostomy flange
  • Hollister ostomy supplies with audible locking system
  • Floating flange eliminates pressure on tender post op abdomens
  • Box of 5
From: $28.95
Product Information

Ostomy Barriers: 1-Piece vs 2-Piece Ostomy Systems

Ostomy wafers adhere to the skin around your stoma and connect to an ostomy bag. Ostomy wafers are also called baseplates, barriers, and flanges. The skin barrier is designed to protect delicate stomal skin from caustic output. These are two types of ostomy systems: When ostomy wafers are pre-attached to the bag and cannot come apart, it's considered a 1-piece ostomy system. While 2-piece systems are separate and connected to one another by the user. If you use a 1-piece system, both the wafer and bag must be disposed of when the bag is full. With a 2-piece system, you can remove the bag from the flange and throw it away, leaving the wafer attached to your body.

If you choose to use 2 piece ostomy bags, keep in mind that flanges will only connect with an ostomy pouch system from the same brand’s product line. You cannot use a flange from one brand and connect it to a pouch from a different brand. This also applies to different product lines manufactured by the same company. For instance, you cannot use a Coloplast Sensura flange with a Coloplast Assura pouch. Brands often use colors to represent stomal opening sizes, making it easier to match up the wafer with the corresponding pouch. This is another benefit of staying within the same product line once you find the wafer size that works best with your stoma.

Customizable Wafers

Cut to fit wafers allow you to customize the size and shape of the opening in the barrier. They are beneficial for new ostomates, because after surgery the stoma will change size and shape. These are also helpful for people who are in between sizes or don’t have a perfectly round stoma. Pre-cut wafers or flanges have an existing hole cut out, preventing you from having to cut the opening yourself. For those with established and rounder stomas, using a pre-cut flange can save you the time of fitting the wafer once you know which flange size works best for you.

Ostomy Seals

It is rare that an ostomy barrier will fit perfectly around your stoma. Usually there is a small gap between the stoma and the hole of the barrier. Leaving open gaps can cause stoma output to leak under the wafer, which could damage stomal skin. Ostomy seals are placed underneath your wafer to fill in the gaps between the ostomy wafer and your stoma. These barrier rings are made from a flexible material and can be fitted to the size and shape of your stoma. We also carry moldable flanges, which have a barrier ring-like material already built into the flange.

Skin Protection

Skin prep wipes and ostomy barrier sprays can also protect your stoma from redness and irritation or help treat damaged skin. Barrier sprays and wipes form a thin layer on the skin that shields it from moisture and output. Some ostomates apply stoma powder to the skin and follow up with skin prep product afterward. This process, known as crusting, protects the stomal skin and helps the wafer adhere to the body.

Buy Ostomy Wafers Online

Order ostomy products and supplies online that can be quickly shipped to your door. Shop our large collection of ostomy wafers now.

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