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UNDERWIRES

We've purchased over 100 sizes of surplus underwires from a major manufacturer. We are preparing an update to our website with these new underwires. To make some shelf space, we are putting our previous purchased surplus underwires on sale at $1.75 for a package of 6 pair.


Sew Sassy Fabrics has basic underwires for bras from sizes 32A to 56B. We have continuing lines of UW920 (32A to 42B), UW927 (38B to 50B) and UW923 demi underwires(small, medium, large).

Over the years we have made special buys of several thousand surplus bra underwires from major underwire manufacturers. We've made our largest buy yet, OVER 100 SIZES OF BOTH PLASTIC COATED AND METAL UNDERWIRES. We are preparing an update to our website with these new underwires. To make some shelf space, we are putting our previous purchased surplus underwires on sale at $1.75 for a package of 6 pair. We have spring steel wires with a cushiony soft plastic coating and a soft cushion tip in sizes 34B to 48C. We have flat metal wires with coated tips in sizes 36D to 48B.Quite a bargain if you can use one of the sizes. Images and dimensions are provided for all underwires so the best match can be found for replacement underwires for bras.

We offer two styles of Underwire channeling (also called underwire casing)for enclosing your underwires. We have 12 different styles and sizes of Separator Wires. Our channeling, separator wires, and most of our bra underwires are offered wholesale.

Different women have different underwire requirements, and individuals may want to make different choices for various fashion looks. The underwire sizes are suggested bust and cup sizes. Since the required underwire size will vary according to the garment it is to be used in, it is best to select your underwire by both the length of the wire as well as the size. The approximate width, depth and length are given for each underwire. You may want to try adjacent sizes to determine the correct one for your sewing project.
Hint: If you can't get your exact length underwires, get a longer size, cut them off at the tips and cover the ends with epoxy glue. This will keep them from poking through the fabric.

BRA UNDERWIRES

#UW920 BRA UNDERWIRES
$1.20 pair, $13.20 dozen pair same size

Bra underwires designed for Sew Sassy Fabrics LLC

We had a major underwire manufacturer design these underwires exclusively for us. We are the only seller of these underwires.
Flat metal wires with painted color coded tips. These are sized for A or B cups. Use next size for C or D cups.
Bra Underwires designed for Sew Sassy Fabrics LLC
From bottom to top, UW920-32, UW920-34, UW920-36, UW920-38, UW920-40, UW920-42.
Enter the number of pair or dozens of pair of each size that you wish to order and then click the "Add to Cart" at the bottom of the table.
Order wholesale at Bra Underwires Wholesale.
Item Number Inside Width Inside Depth Outside Length Size Order
UW920-32 4 3/8" 2 1/2" 7 7/8" 32 Pair
Dozen pair
UW920-34 4 7/8" 2 7/8" 8 7/8" 34 Pair
Dozen pair
UW920-36 5 1/4" 3" 9 1/4" 36 Pair
Dozen pair
UW920-38 5 5/8" 3" 9 1/2" 38 Pair
Dozen pair
UW920-40 6" 3 1/8" 10" 40 Pair
Dozen pair
UW920-42 6 3/8" 3 1/8" 10 1/4" 42 Pair
Dozen pair

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Order one pair of each size. Total of 6 pair. $7.20


#UW927 Flex-Lite BRA UNDERWIRES $1.30 pair, $14.30 dozen pair same size

Thin gauge spring steel with a cushiony soft plastic coating and a soft cushion tip.
Flex-Lite Bra Underwires
From bottom to top, UW927-12, UW927-14, UW927-16, UW927-18, UW927-20, UW927-22, UW927-24.
Enter the number of pair or dozens of pair of each size that you wish to order and then click the "Add to Cart" at the bottom of the table.
Order wholesale at Bra Underwires Wholesale.
Item Number Inside Width Inside Depth Outside Length Size Order
UW927-12 5 5/8" 3 3/4" 11" 38B/36C/34D/32DD Pair
Dozen pair
UW927-14 6" 3 7/8" 11 1/2" 40B/38C/36D/34DD Pair
Dozen pair
UW927-16 6 3/8" 4 1/8" 12 1/8" 42B/40C/38D/36DD Pair
Dozen pair
UW927-18 6 5/8" 4 3/8" 12 3/4" 44B/42C/40D/38DD Pair
Dozen pair
UW927-20 7" 4 5/8" 13 3/8" 46B/44C/42D/40DD Pair
Dozen pair
UW927-22 7 1/4" 4 7/8" 14 1/8" 48B/46C/44D/42DD Pair
Dozen pair
UW927-24 7 5/8" 5 1/8" 14 7/8" 50B/48C/46D/44DD Pair
Dozen pair

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Order one pair of each size. Total of 7 pair. $9.10


Special Buy - BRA UNDERWIRES $3.75 for packages of 6 pair
SALE $1.75
We purchased several thousand surplus spring steel with a cushiony soft plastic coating and a soft cushion tip bra underwires from a major manufacturer. Quite a bargain if you can use one of the sizes. Sizes range from 34B to 48C. Images and dimensions are provided so the best match can be found for replacement bra underwires.

#UW300 BRA UNDERWIRES $3.75 for package of 6 pair
SALE $1.75

Thin gauge spring steel with a cushiony soft plastic coating and a soft cushion tip.
Underwires
  From bottom to top, UW300-34B, UW300-36B, UW300-38B, UW300-40B, UW300-42B, UW300-44B.
Item Number Inside Width Inside Depth Outside Length Size Number of packages
UW300-34B 4 3/4" 2 1/4" 7 3/8" 34B/32C
UW300-36B 5 1/8" 2 3/8" 8" 36B/34C/32D
UW300-38B SOLD OUT
UW300-40B 5 3/4" 2 7/8" 9 1/4" 40B/38C/36D/34DD
UW300-42B 6 1/8" 3" 9 3/4" 42B/40C/38D/36DD
UW300-44B 6 1/4" 3 1/8" 10 1/2" 44B/42C/40D/38DD

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#UW301 BRA UNDERWIRES $3.75 for package of 6 pair
SALE $1.75

Thin gauge spring steel with a cushiony soft plastic coating and a soft cushion tip.
Underwires
  From bottom to top, UW301-32B, UW301-34B, UW301-36B, UW301-38B.
Item Number Inside Width Inside Depth Outside Length Size Number of packages
UW301-32B 4 3/8" 2 1/2" 7 3/4" 32B/30C
UW301-34B SOLD OUT
UW301-36B 5 1/8" 3" 9" 36B/34C/32D/30DD
UW301-38B SOLD OUT

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#UW302 BRA UNDERWIRES $3.75 for package of 6 pair
SALE $1.75

Thin gauge spring steel with a cushiony soft plastic coating and a soft cushion tip. Same style as UW303, but a thinner wire.
Underwires
  From bottom to top, UW302-36B, UW302-38B, UW302-40B, UW302-42B, UW302-44B.
Item Number Inside Width Inside Depth Outside Length Size Number of packages
UW302-36B 5" 2 7/8" 8 3/4" 36B/34C/32D/30DD
UW302-38B SOLD OUT
UW302-40B SOLD OUT
UW302-42B SOLD OUT
UW302-44B 6 1/4" 3 3/4" 11 3/8" 44B/42C/40D/38DD

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#UW303 BRA UNDERWIRES $3.75 for package of 6 pair
SALE $1.75

Medium gauge spring steel with a cushiony soft plastic coating and a soft cushion tip. Same style as UW303, but a thicker wire.
Underwires
  From bottom to top, UW303-44C, UW303-46C.
Same style as UW302
Item Number Inside Width Inside Depth Outside Length Size Number of packages
UW303-44C SOLD OUT
UW303-46C 6 7/8" 4 1/4" 12 3/4" 46C/44D/42DD/40F

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#UW304 BRA UNDERWIRES $3.75 for package of 6 pair
SALE $1.75

Thin gauge spring steel with a cushiony soft plastic coating and a soft cushion tip.
Underwires
  From bottom to top, UW304-36B, UW304-42B.
Item Number Inside Width Inside Depth Outside Length Size Number of packages
UW304-36B SOLD OUT
UW304-42B 6 1/8" 3 3/8" 10 1/2" 42B/40C/38D/36DD

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#UW305 BRA UNDERWIRES $3.75 for package of 6 pair
SALE $1.75

Medium gauge spring steel with a cushiony soft plastic coating and a soft cushion tip.
Underwires
  From bottom to top, UW305-42B, UW305-44B.
Item Number Inside Width Inside Depth Outside Length Size Number of packages
UW305-42B SOLD OUT
UW305-44B 6 1/4" 4 1/8" 12 7/8" 44B/42C/40D/38DD

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#UW306 BRA UNDERWIRES $3.75 for package of 6 pair
SALE $1.75

Thin gauge spring steel with a cushiony soft plastic coating and a soft cushion tip. Same style as UW307 and UW308, but a thinner wire.
Underwires
  From bottom to top, UW306-34B, UW306-36B.
Item Number Inside Width Inside Depth Outside Length Size Number of packages
UW306-34B 4 3/4" 3" 9 1/8" 34B/32C
UW306-36B 5" 3 1/4" 9 5/8" 36B/34C/32D

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#UW307 BRA UNDERWIRES $3.75 for package of 6 pair
SALE $1.75

Spring steel with a cushiony soft plastic coating and a soft cushion tip. Same style as UW306 and UW308, but a thicker wire than UW306 and thinner than UW308.
Underwires
  From bottom to top, UW307-40B, UW307-44B, UW307-44C.
Item Number Inside Width Inside Depth Outside Length Size Number of packages
UW307-40B 5 3/4" 3 3/4" 11" 40B/38C/36D/34DD
UW307-44B 6 1/2" 4 1/8" 12 1/2" 44B/42C/40D/38DD
UW307-44C 6 3/4" 4 1/4" 13" 44C/42D/40DD/38F

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#UW308 BRA UNDERWIRES $3.75 for package of 6 pair
SALE $1.75

Medium gauge spring steel with a cushiony soft plastic coating and a soft cushion tip. Same style as UW306 and UW307, but a thicker wire.
Underwires
  From bottom to top, UW308-44C, UW308-46C, UW308-48C.Same style as UW306 and UW307
Item Number Inside Width Inside Depth Outside Length Size Number of packages
UW308-44C 6 5/8" 4 3/8" 13" 44C/42D/40DD/38F
Only 2 left
UW308-46C Sold Out
UW308-48C Sold Out

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Special Buy - BRA UNDERWIRES $3.50 for packages of 6 pair
SALE $1.75
We purchased several thousand surplus flat metal wires with coated tips bra underwires from a major manufacturer. Quite a bargain if you can use one of the sizes. Sizes range from approximately 38B to 56B. Images and dimensions are provided so the best match can be found for replacement bra underwires.
Underwires
From bottom to top, UW920-34, UW68.
$3.50 for packages of 6 pair
SALE $1.75
Item Number Inside Width Inside Depth Outside Length Approximate Size Number of packages
UW68 5" 4 1/8" 11 5/8" 38B/36C/34D/32DD
Similar to
UW920-34 4 7/8" 2 7/8" 8 7/8" 34A-B/32C-D  

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Underwires
From bottom to top, UW920-40, UW69.
$3.50 for packages of 6 pair
SALE $1.75
Item Number Inside Width Inside Depth Outside Length Approximate Size Number of packages
UW69 6" 3 1/4" 10 1/4" 40B/38C/36D/34DD
Similar to
UW920-40 6" 3 1/8" 10" 40A-B/38C-D  

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Underwires
From bottom to top, UW70, UW927-14, UW71.
$3.50 for packages of 6 pair
SALE $1.75
Item Number Inside Width Inside Depth Outside Length Approximate Size Number of packages
UW70 6" 3 1/2" 10 3/4" 40A/38B/36C/34D
UW71 6 1/4" 3 7/8" 11 5/8" 40B/38C/36D/34DD
Similar to
UW927-14 6" 3 7/8" 11 1/2" 40B/38C/36D/34DD  

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Underwires
From bottom to top, UW920-42, UW72, UW73.
$3.50 for packages of 6 pair
SALE $1.75
Item Number Inside Width Inside Depth Outside Length Approximate Size Number of packages
UW72 6 3/8" 3 3/8" 10 5/8" 40B/38C/36D/34DD
UW73 6 3/8" 3 1/2" 11" 40C/38D/36DD/34E
Similar to
UW920-42 6 3/8" 3 1/8" 10 1/4" 40A-B/38C-D  

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Underwires
From bottom to top, UW46, UW47, UW927-16.
$3.50 for packages of 6 pair
SALE $1.75
Item Number Inside Width Inside Depth Outside Length Approximate Size Number of packages
UW46 Sold Out
UW47 6" 4 3/8" 12 1/2" 42B/40C/38D/36DD
Similar to
UW927-16 6 3/8" 4 1/8" 12 1/8" 42B/40C/38D/36DD  

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Underwires
From bottom to top, UW35, UW927-16, UW02.
$3.50 for packages of 6 pair
SALE $1.75
Item Number Inside Width Inside Depth Outside Length Approximate Size Number of packages
UW02 6 5/8" 4" 12" 42B/40C/38D/36DD
UW35 Sold Out
Similar to
UW927-16 6 3/8" 4 1/8" 12 1/8" 42B/40C/38D/36DD  

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Underwires
From bottom to top, UW927-16,UW74, UW19.
$3.50 for packages of 6 pair
SALE $1.75
Item Number Inside Width Inside Depth Outside Length Approximate Size Number of packages
UW19 6 5/8" 4 1/8" 12 1/4" 42B/40C/38D/36DD
UW74 6 1/2" 4 1/4" 12 1/2" 42B/40C/38D/36DD
Similar to
UW927-16 6 3/8" 4 1/8" 12 1/8" 42B/40C/38D/36DD  

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Underwires
From bottom to top, UW17, UW927-18, UW75, UW22.
$3.50 for packages of 6 pair
SALE $1.75
Item Number Inside Width Inside Depth Outside Length Approximate Size Number of packages
UW17 6 5/8" 4 1/8" 12 1/2" 44B/42C/40D/38DD
UW22 6 3/4" 4 1/4" 12 5/8" 44B/42C/40D/38DD
UW75 6 5/8" 4 1/2" 12 7/8" 44B/42C/40D/38DD
Similar to
UW927-18 6 5/8" 4 3/8" 12 3/4" 44B/42C/40D/38DD  

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Underwires
From bottom to top, UW76, UW59, UW927-20.
$3.50 for packages of 6 pair
SALE $1.75
Item Number Inside Width Inside Depth Outside Length Approximate Size Number of packages
UW59 7" 3 7/8" 12" 46A/44B/42C/40D
UW76 6 7/8" 4 1/2" 13 1/8" 46B/44C/42D/40DD
Similar to
UW927-20 7" 4 5/8" 13 3/8" 46B/44C/42D/40DD  

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Underwires
From bottom to top, UW77, UW927-20,UW58.
$3.50 for packages of 6 pair
SALE $1.75
Item Number Inside Width Inside Depth Outside Length Approximate Size Number of packages
UW58 7" 4 3/4" 13 7/8" 46B/44C/42D/40DD
UW77 7" 4 1/8" 12 1/2" 46A/44B/42C/40D
Similar to
UW927-20 7" 4 5/8" 13 3/8" 46B/44C/42D/40DD  

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Underwires
From bottom to top, UW78, UW927-22.
$3.50 for packages of 6 pair
SALE $1.75
Item Number Inside Width Inside Depth Outside Length Approximate Size Number of packages
UW78 7 1/4" 4 3/8" 13 1/2" 50A/48B/46C/44D
Similar to
UW927-22 7 1/4" 4 7/8" 14 1/8" 50B/48C/46D/44DD  

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Underwires
From bottom to top, UW927-22, UW79, UW80.
$3.50 for packages of 6 pair
SALE $1.75
Item Number Inside Width Inside Depth Outside Length Approximate Size Number of packages
UW79 7 5/8" 4 3/4" 14 1/4" 50B/48C/46D/44DD
UW80 8" 5" 14 3/4" 52B/50C/48D/46DD
Similar to
UW927-22 7 1/4" 4 7/8" 14 1/8" 50B/48C/46D/44DD  

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Underwires
From bottom to top, UW927-24, UW81, UW82.
$3.50 for packages of 6 pair
SALE $1.75
Item Number Inside Width Inside Depth Outside Length Approximate Size Number of packages
UW81 8" 5 1/4" 15 1/4" 52B/50C/48D/46DD
UW82 8 3/8" 4 3/4" 15" 54B/52C/50D/48DD
Larger than
UW927-24 7 5/8" 5 1/8" 14 7/8" 50B/48C/46D/44DD  

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Underwires
From bottom to top, UW927-24, UW83.
$3.50 for packages of 6 pair
SALE $1.75
Item Number Inside Width Inside Depth Outside Length Approximate Size Number of packages
UW83 8 1/2" 5 1/2" 15 3/8" 56B/54C/52D/50DD
Larger than
UW927-24 7 5/8" 5 1/8" 14 7/8/8" 50B/48C/46D/44DD  

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#UW923 DEMI UNDERWIRES $1.20 pair, $13.20 dozen pair same size

Flat metal wires with painted color coded tips.
Demi Bra Underwires
From bottom to top, UW923-S, UW923-M, UW923-L.
Enter the number of pair or dozens of pair of each size that you wish to order and then click the "Add to Cart" at the bottom of the table.
Order wholesale at Bra Underwires Wholesale.
Item Number Inside Width Inside Depth Outside Length Cup Size Order
UW923-S 4 5/8" 1 3/8" 6 1/8" Small Pair
Dozen pair
UW923-M 5" 1 3/4" 6 7/8" Medium Pair
Dozen pair
UW923-L 5 1/4" 2 1/8" 7 3/4" Large Pair
Dozen pair

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Order one pair of each size. Total of 3 pair. $3.60


We offer a complete line of bra making supplies - Front Bra Closures, Bra Back Closures, Bra Rings, Bra Slides, Bra Hooks, Spaghetti Strap Rings & Slides, Nursing Bra Clasps, Plush Elastic, Plush Bra Straps, Clear Bra Straps, Narrow Bra Straps, Bra Cups, Underwires, Channeling, Separator Wires, Poly Laminate Foam Fabric, Fiberfill Fabric and Powerknit and Techsheen Fabric. In addition, we have Garter Grips and pre made Garter Straps. We offer all of the Kwik Sew and Elan bra patterns. See Bra Patterns for information on determining the correct bra size and hints on making bras. Our bra findings provide everything you need for making bras or brassieres.


This page updated January 12, 2021

Other pages with products for sewing bras
Front Bra Closures    Bra Back Closures    Nursing Bra Clasps

Bra Rings, Slides, and Hooks    Spaghetti Strap Rings & Slides

Plush Elastic     Bra Strapping

Clear Bra Straps    Plush Bra Straps    Narrow Bra Straps

Underwires    Channeling    Separator Wires

Bra and Girdle Fabric    Poly Laminate Foam Fabric    Fiberfill Fabric

Bra & Swim Cups    Garter Straps    Garter Grips

Bra Patterns    Elan Bra Patterns    Kwik Sew Bra Patterns