Personalized Faux Rhinestone 40th Birthday Long Sleeve T-Shirt. 40th birthday Long Sleeve T-Shirt - White with a shimmering, glittering, sparkling, silver, FAUX rhinestone number 40. Perfect for her fabulous 40th birthday! 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