Pop-Up Interfolded Deli/Bakery Sheets are made with 100% PCR.

Produced using 100% PCR (post-consumer recycled plastic), Envirosheets™ offer alternative to wax or paper sheets and provide way for supermarkets, delis, bakeries, and convenience stores

[source: http://news.thomasnet.com/fullstory/Pop-Up-Interfolded-Deli-Bakery-Sheets-are-made-with-100-PCR-20009749]