British Retro Women's Vintage 50s Style Tartan 'Bonny Betsy' Swing Dress 8 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"/81cm, waist 27"/69cm. Size 10: bust 34"/86cm, waist 29in/74cm. Size 12: bust 36"/91cm, waist 30"/76cm. Size 14: bust 38"/97cm, waist 31.5"/80cm. Size 16: bust 40"/102cm, waist 33.5"/85cm. Size 18: bust 42"/107cm, waist 36"/91cm. All our clothing is exclusive to our brand and made in London, UK. We only produce small quantities of everything so you girls can be assured you will not be showing up in the same frock! Made from a medium-weight, Royal Stewart, non-stretch, woven, traditional, brushed Tartan. It comes with its own matching headscarf too. 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 Concealed zip at back of the bodice