Personalized I'm 21 Long Sleeve T-Shirt. Happy birthday! You're legal! Visit your favorite bar & say: I'm 21. My ID finally has my own picture! Pre-shrunk 100% cotton 6.1 ounce long sleeve t-shirt. Double-needle stitched neckline and sleeves. Quarter turned. Shoulder-to-shoulder taping. Adult: S, M, L, XL, 2XL, 3XL