Jame's Designs: Yin-Yang (Ying-Yang) Funny Saying T-Shirt 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 Yin-Yang (Ying-Yang) Funny Saying T-Shirt Custom t-shirt design by Jame's Designs Lightweight, Classic fit, Double-needle sleeve and bottom hem