Great t-shirt for the big brother! Fun way to let your son know he's going to be a big brother! Birthday / Christmas gift for big brother. Premium quality, short sleeved t-shirt. 100% combed-cotton (preshrunk). machine washable. Available in a wide variety of colors and in sizes: toddler 2t-4t , junior xs-xl. choose the size and color options from the drop-down list. Machine washable.