Naturepedic Organic Cotton Waterproof Mattress Cover Review #sponsored by Lucero De La Tierra • October 10, 2013 • 97 Comments Thanks to Naturepedic I received a twin size organic cotton flannel waterproof fitted mattress cover for the purposes of this review. When Naturepedic contacted me to review their mattress covers I was really tempted to ask for one for… Read more →