British Retro Women's Vintage 50s Style Tartan 'Bonny Betsy' Swing Dress Imported Size Guide. We are a UK brand therefore please refer to our size measurements to ensure you choose the correct size. Measure yourself wearing just your underwear. The length of this dress is 42.5 inches from the top of collar to hem. Size 8: bust 32-33in/ 81-84cm, waist 26-27in/ 66-69cm. Size 10: bust 34-35in/ 86-89cm, waist 28-29in/ 71-74cm. Size 12: bust 36-37in/ 91-94cm, waist 30-31in/ 76-79cm. Size 14: bust 38-39in/ 97-99cm, waist 32-33in/ 81-84cm. Size 16: bust 40-41in/ 102-104cm, waist 34-35in/ 86-89cm. Size 18: bust 42-43in/ 107-109cm, waist 36-37in/ 91-94cm. Size 20: bust 44-45in/ 112-114cm, waist 38-39in/ 96-99cm. Made from a medium-weight, Black Watch, non-stretch, woven, traditional, brushed Tartan. It comes with its own matching headscarf too. We only produce small quantities of everything so you girls can be assured you will not be showing up in the same frock! To create a more full on 50s look and to add extra volume to this dress just pop a 25 Black petticoat underneath. The petticoat is sold separately All our clothing is exclusive to our brand and made in London, UK. Concealed zip at back of the bodice