Kids 4th Birthday Whale T-Shirt. Girls 4 Party Whale Sea Tee 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 Girls Party 4th birthday gift. Perfect T-Shirt for a special girl to celebrate their birthday! A fantastic Sea themed girls birthday T-Shirt which comes in 5 colors. Lightweight, Classic fit, Double-needle sleeve and bottom hem