Signature Recycled White Matte Cardstock This eco-friendly paper is a thick, 100 lb. cardstock available in a smooth, silky white color.  With a thickness of 100 lb., it is 5 times thicker than most office papers (which are usually 20 lb.).  It is made using renewable Green-e Certified energy, is FSC Certified & is made using 100% post consumer waste.  The clean appearance & smooth surface make this 100% Recycled paper appear non-recycled.