One pair flat metal Underwires sized 38B. Will also fit in 36C/34D/32E Every bra and pattern manufacturer has variations in their sizing. Please check
Is a 32C bra size too big? - Quora
34d Bra
Bra 38b
38 D Bra
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Metal Bra Underwire Pair - Size 38 - Underwire - Boning - Notions
Warner's Medium Support Underwire Bra, Sizes 34C-42DD
36c 38b 34d
Bra 38b
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ANITA - FREE EXPRESS SHIPPING - Tonya Padded Wireless Mastectomy
Fruit of the Loom Women's Cotton Unlined Underwire Bra, Heather