Sweet 16 Birthday Tshirt Sixteenth Birthday for Girls or Boy 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 Sweet 16th Birthday Tshirt Sweet 16th Birthday Girls Boys Birthday Tshirt Lightweight, Classic fit, Double-needle sleeve and bottom hem