I Love My Chihuahua 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 Chihuahua T-Shirts Make Great Gifts Chihuahua Shirt For Chihuahua Lovers Lightweight, Classic fit, Double-needle sleeve and bottom hem