Size Details B Cup: Width: 2mm; Diameter: 14.2cm; Outer lenght: 26cm; C Cup: Width: 2mm; Diameter: 14.31cm; Outer lenght: 26.9cm Size Details D Cup: Width: 2mm, Diameter: 9.7cm, Inner Length: 27.5cm, Outer lenght: 28.5cm; E Cup: Width: 2mm, Diameter: 10.7cm; Inner Length: 28.5cm, Outer lenght: 29.5cm Premium Material Theses underwires are convenient for you to repalcement your old bras, competitive price and good quality. Can be used as a replacement wire for a bra. Please choose your size carefully and double check you have selected the correct size in your shopping cart prior to placing your order Sturdy Bra Steel Underwires Stainless steel underwire for bras, bustiers, corsets or clothing, and often the wires break far before the bra's useful life has expired. That's why you could need purchase these replacement wires to prolong the life of my bras. Highly recommend these wires to replace your break bra underwire. Stainless steel underwire Stainless steel underwire for bras, bustiers, corsets or clothing, and often the wires break far before the bra's useful life has expired. That's why you could need purchase these replacement wires to prolong the life of my bras. Specification : Material : Stainless Steel Color : Silver , White Size Details Diameter: B Cup: 14.2cm/5.59inch, C Cup:14.31cm/5.6inch, D Cup:15.5cm/6.10inch,E Cup 16.5cm/6.50inch.Length: B Cup: 26cm/10.24inch, C Cup:26.9cm/10.6inch,D Cup:28.5cm/11.22inch,E Cup 29.5cm/11.61inch. How to replace your bras underwires Step 1: Carefully Remove The Underwire.Step 2: Measure the Outside Edge of The Underwire.Step 3: Evaluate the Style of the Bra the Wire Came From.Step 4: Find the Wire Style That Closely Matches Your Wire. Package Includes: 24 Pairs of Bra Underwire Replacement 6 Pair B Cup, 6 Pair C Cup, 6 Pair D Cup, 6 Pair E Cup, 24 Pairs in total.