Keep calm and love hippos - Funny TShirt 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 Tee suitable for kids. Hippopotamus graphic and bold white lettering. Keep calm and love hippos - Funny Kids Animal TShirt. Lightweight, Classic fit, Double-needle sleeve and bottom hem