World's Best Shih Tzu Dad 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 Gift for dog lovers and Shih Tzu owners The perfect gift for dog parents Lightweight, Classic fit, Double-needle sleeve and bottom hem