Polka Dots Published on August 1, 2018 in Advantages and Disadvantages of POLCAFull resolution (1828 × 1254) Polka Dots Simple red POLKA dots on white background. This work by Christoph Roser at AllAboutLean.com is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License. Please credit the image as shown below. For digital documents and web pages please do include the links as shown below. Thank you.By Christoph Roser at AllAboutLean.com under the free CC-BY-SA 4.0 license.