From google search, cheapest I can see atm is $11.95 at Catch
OPI Infinite Shine Chiffon D Of You Nail Polish is a three-step long lasting nail polish line that provides gel-like high shine and 11 days of wear. Use with Infinite Shine Primer and Infinite Shine Gloss for extended wear.
Stay-true colour and shine for up to 11 days of wear with prostay technology; gel-like high shine finish.
Properly prep your natural nail for long lasting nail polish to ensure lacquer adhesion. Apply one coat of Infinite Shine Primer. Shake long lasting nail polish shade of choice before application to properly mix pigment