A whopping 80 percent of women wear the wrong bra size, estimates Tracy M. Pfeifer, M.D., a board-certified plastic surgeon in New York City. This superb invention means that you can quickly & reliably measure yourself! Consists of a 150cm (60 in.) long durable, polyester tape printed with our unique colour coded system of bra fittings on the front. The back features a standard dual marked tape measure. So simple to use 1) Measure under bust & note the colour.2) Now measure the fullest part of bust & read off the size in the colour you noted in Step 1. Colours Available: Ivory/ Peach Sizes Available: One Size