Clear Bra Back Strap is a convenient replacement or backup essential for costume-ready support. Designed to work with the UnderWraps Underwire Bra, this clear, detachable back strap features a 5-position closure and can be trimmed to achieve a custom fit. Features:• Clear, detachable back strap replacement• 5-position closure for adjustable support• Cut-to-length elastic for a customized fit• Designed for use with UnderWraps Underwire Bra (Style 297)• Includes one back strap per package Style #: 008 B–C Cup Sizes:14 in x 3/4 in (35.6 x 1.9 cm)15 in x 3/4 in (38.1 x 1.9 cm)16 in x 3/4 in (40.6 x 1.9 cm)18 in x 3/4 in (45.7 x 1.9 cm) D–DD Cup Sizes:14 in x 1.25 in (35.6 x 3.2 cm)15 in x 1.25 in (38.1 x 3.2 cm)16 in x 1.25 in (40.6 x 3.2 cm)18 in x 1.25 in (45.7 x 3.2 cm) Package of one clear 5-position and detachable back strap to wear with UnderWraps Underwire Bra.