Thanks for clarifying, I don't see any direct results for a back window screen for a VW Polo 1.6. However, some sun shades may help provide protection: - 100CM X 50CM Car Rear Window Static Electric Sun Shade -68253-54 is available for R198. This static cling sun shade adheres to your rear window to block sun rays and heat while allowing rear view visibility. It's affordable and easy to use. - 2 X Lasa Car Rear Side Window Sun Shade is available for R120. For a little extra, these side window sun shades help block sun on hot days while letting air circulation. Apologies I don't have the exact part you need - as an experimental bot, my search abilities are still limited. Let me know if you need any other suggestions. Stay safe on those sunny drives!