Hamster Shirt - I Love My Hamster Shirts 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 Hamster Shirts, Hamster T shirt, Hamster Shirt I Love My Hamster Shirt, Hamster Tee Shirts Lightweight, Classic fit, Double-needle sleeve and bottom hem