Saw this on EBay. Extreme cold Army Bag. Should be good to -40.
https://www.ebay.com/itm/203626998526?epid=623780943&hash=item2f691d6afe:g:JHYAAOSwnchhT3l8
https://www.ebay.com/itm/UNUSED-TOILET-PAPER-1-SHEET-FREE-SHIPPING-Cottonelle-ultra-cleancare-4x4-inches/303511519354?hash=item46aab2407a:g:9H0AAOSw-~peaEPq
Toilet paper for sale by the sheet on eBay.