Personalized Yay! 49 Fine White Long Sleeve T-Shirt. Yay! 49 and feeling fine text in a decorative swirl is a fun design for friends and family at birthday time. 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