The wipe stuff.

PEFC CERTIFICATION The Program for the Endorsement of Forest Certification (PEFC) is an international organisation that promotes sustainable forest management, ensuring timber and forest products are produced with high ecological, social and ethical standards. FSC CERTIFICATION FSC (Forest Stewardship Council) is an international nonprofit organisation that promotes responsible forest management by setting standards on and certifying forest products. There aren't that many recycled paper towel products available, so if that's your preference and you can't find any, the next best product would be one with FSC or PEFC certification. [Extracted from the article]