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![Sainsburys spice caps](https://www.webpackaging.com/Up/Comp/117/13118343/13118344-VCYOTGQU/i/prev/Sainsburys spices.jpg)
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We worked with Sainsburys and provided them with these knurl tinplate screw cap lids. Knurl – that’s the name for the grippy part of the lid. When you’re done with these spice jars you can either use them again and simply refill them, or separate the glass jar and lid when you pop it in recycling.