If I Can't Bring My Yarn, I'm Not Going Shirt Funny Knitting Solid colors: 100% Cotton; Heather Grey: 90% Cotton, 10% Polyester; All Other Heathers: 50% Cotton, 50% Polyester Imported Machine wash cold with like colors, dry low heat Birthday gift for knitters, crafters Mothers and Grandmas will love it! Lightweight, Classic fit, Double-needle sleeve and bottom hem