3rd Birthday Truck T Shirt ( Birthday Shirts for Boys ) 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 All sizes available for any Birthday Boy, Youth, or Teens Designed in the U.S.A. & Printed by Amazon Lightweight, Classic fit, Double-needle sleeve and bottom hem