Personalized 30th Anniversary Gifts Long Sleeve T-Shirt. Pretty teal swirl 30th Anniversary design is a great way to celebrate thirty years together on this Long Sleeve T-Shirt - White for the happy couple. 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